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Howard Jeffrey Shaffer, PH.D.

TitleAssociate Professor of Psychology in the Department of Psychiatry
InstitutionCambridge Health Alliance
DepartmentPsychiatry
AddressCambridge Health Alliance
Division on Addictions, Suite 2100
101 Station Landing
Medford MA 02155
Phone781/306-8603

 Bibliographic 
 selected publications
Publications listed below are automatically derived from MEDLINE/PubMed and other sources, which might result in incorrect or missing publications. Faculty can login to make corrections and additions.
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  1. Braverman J, Laplante DA, Nelson SE, Shaffer HJ. Using cross-game behavioral markers for early identification of high-risk internet gamblers. Psychol Addict Behav. 2013 Sep; 27(3):868-77.
    View in: PubMed
  2. Laplante DA, Afifi TO, Shaffer HJ. Games and gambling involvement among casino patrons. J Gambl Stud. 2013 Jun; 29(2):191-203.
    View in: PubMed
  3. Schuman-Olivier Z, Hoeppner BB, Weiss RD, Borodovsky J, Shaffer HJ, Albanese MJ. Benzodiazepine use during buprenorphine treatment for opioid dependence: Clinical and safety outcomes. Drug Alcohol Depend. 2013 Oct 1; 132(3):580-6.
    View in: PubMed
  4. Gray HM, LaPlante DA, Shaffer HJ. Behavioral characteristics of Internet gamblers who trigger corporate responsible gambling interventions. Psychol Addict Behav. 2012 Sep; 26(3):527-35.
    View in: PubMed
  5. LaPlante DA, Gray HM, LaBrie RA, Kleschinsky JH, Shaffer HJ. Gaming industry employees' responses to responsible gambling training: a public health imperative. J Gambl Stud. 2012 Jun; 28(2):171-91.
    View in: PubMed
  6. Labrie RA, Peller AJ, Laplante DA, Bernhard B, Harper A, Schrier T, Shaffer HJ. A brief self-help toolkit intervention for gambling problems: a randomized multisite trial. Am J Orthopsychiatry. 2012 Apr; 82(2):278-89.
    View in: PubMed
  7. Nelson SE, Gray HM, Maurice IR, Shaffer HJ. Moving ahead: evaluation of a work-skills training program for homeless adults. Community Ment Health J. 2012 Dec; 48(6):711-22.
    View in: PubMed
  8. Blaszczynski A, Collins P, Fong D, Ladouceur R, Nower L, Shaffer HJ, Tavares H, Venisse JL. Responsible gambling: general principles and minimal requirements. J Gambl Stud. 2011 Dec; 27(4):565-73.
    View in: PubMed
  9. Gray HM, Laplante DA, Bannon BL, Ambady N, Shaffer HJ. Development and validation of the Alcohol Identity Implicit Associations Test (AI-IAT). Addict Behav. 2011 Sep; 36(9):919-26.
    View in: PubMed
  10. Braverman J, LaBrie RA, Shaffer HJ. A taxometric analysis of actual Internet sports gambling behavior. Psychol Assess. 2011 Mar; 23(1):234-44.
    View in: PubMed
  11. Shaffer HJ, Martin R. Disordered gambling: etiology, trajectory, and clinical considerations. Annu Rev Clin Psychol. 2011; 7:483-510.
    View in: PubMed
  12. Peller AJ, Najavits LM, Nelson SE, LaBrie RA, Shaffer HJ. PTSD among a treatment sample of repeat DUI offenders. J Trauma Stress. 2010 Aug; 23(4):468-73.
    View in: PubMed
  13. Schuman-Olivier Z, Albanese M, Nelson SE, Roland L, Puopolo F, Klinker L, Shaffer HJ. Self-treatment: illicit buprenorphine use by opioid-dependent treatment seekers. J Subst Abuse Treat. 2010 Jul; 39(1):41-50.
    View in: PubMed
  14. LaPLante DA, Gray HM, Bosworth L, Shaffer HJ. Thirty years of lottery public health research: methodological strategies and trends. J Gambl Stud. 2010 Jun; 26(2):301-29.
    View in: PubMed
  15. Martin RJ, Usdan S, Nelson S, Umstattd MR, Laplante D, Perko M, Shaffer H. Using the theory of planned behavior to predict gambling behavior. Psychol Addict Behav. 2010 Mar; 24(1):89-97.
    View in: PubMed
  16. Nelson SE, Kleschinsky JH, LaBrie RA, Kaplan S, Shaffer HJ. One decade of self exclusion: Missouri casino self-excluders four to ten years after enrollment. J Gambl Stud. 2010 Mar; 26(1):129-44.
    View in: PubMed
  17. Gebauer L, LaBrie R, Shaffer HJ. Optimizing DSM-IV-TR classification accuracy: a brief biosocial screen for detecting current gambling disorders among gamblers in the general household population. Can J Psychiatry. 2010 Feb; 55(2):82-90.
    View in: PubMed
  18. Braverman J, Shaffer HJ. How do gamblers start gambling: identifying behavioural markers for high-risk internet gambling. Eur J Public Health. 2012 Apr; 22(2):273-8.
    View in: PubMed
  19. LaPlante DA, Nelson SE, LaBrie RA, Shaffer HJ. Disordered gambling, type of gambling and gambling involvement in the British Gambling Prevalence Survey 2007. Eur J Public Health. 2011 Aug; 21(4):532-7.
    View in: PubMed
  20. Kleschinsky JH, Bosworth LB, Nelson SE, Walsh EK, Shaffer HJ. Persistence pays off: follow-up methods for difficult-to-track longitudinal samples. J Stud Alcohol Drugs. 2009 Sep; 70(5):751-61.
    View in: PubMed
  21. Nelson SE, Gebauer L, Labrie RA, Shaffer HJ. Gambling problem symptom patterns and stability across individual and timeframe. Psychol Addict Behav. 2009 Sep; 23(3):523-33.
    View in: PubMed
  22. Albanese MJ, Nelson SE, Peller AJ, Shaffer HJ. Bipolar disorder as a risk factor for repeat DUI behavior. J Affect Disord. 2010 Mar; 121(3):253-7.
    View in: PubMed
  23. Xuan Z, Shaffer H. How do gamblers end gambling: longitudinal analysis of Internet gambling behaviors prior to account closure due to gambling related problems. J Gambl Stud. 2009 Jun; 25(2):239-52.
    View in: PubMed
  24. Nelson SE, LaPlante DA, Peller AJ, Schumann A, LaBrie RA, Shaffer HJ. Real limits in the virtual world: self-limiting behavior of Internet gamblers. J Gambl Stud. 2008 Dec; 24(4):463-77.
    View in: PubMed
  25. Broda A, LaPlante DA, Nelson SE, LaBrie RA, Bosworth LB, Shaffer HJ. Virtual harm reduction efforts for Internet gambling: effects of deposit limits on actual Internet sports gambling behavior. Harm Reduct J. 2008; 5:27.
    View in: PubMed
  26. Peller AJ, LaPlante DA, Shaffer HJ. Parameters for safer gambling behavior: examining the empirical research. J Gambl Stud. 2008 Dec; 24(4):519-34.
    View in: PubMed
  27. Labrie RA, Kaplan SA, Laplante DA, Nelson SE, Shaffer HJ. Inside the virtual casino: a prospective longitudinal study of actual Internet casino gambling. Eur J Public Health. 2008 Aug; 18(4):410-6.
    View in: PubMed
  28. Lee TK, Labrie RA, Rhee HS, Shaffer HJ. A study of South Korean casino employees and gambling problems. Occup Med (Lond). 2008 May; 58(3):191-7.
    View in: PubMed
  29. LaPlante DA, Nelson SE, Odegaard SS, LaBrie RA, Shaffer HJ. Substance and psychiatric disorders among men and women repeat driving under the influence offenders who accept a treatment-sentencing option. J Stud Alcohol Drugs. 2008 Mar; 69(2):209-17.
    View in: PubMed
  30. Kessler RC, Hwang I, LaBrie R, Petukhova M, Sampson NA, Winters KC, Shaffer HJ. DSM-IV pathological gambling in the National Comorbidity Survey Replication. Psychol Med. 2008 Sep; 38(9):1351-60.
    View in: PubMed
  31. LaPlante DA, Nelson SE, LaBrie RA, Shaffer HJ. Stability and progression of disordered gambling: lessons from longitudinal studies. Can J Psychiatry. 2008 Jan; 53(1):52-60.
    View in: PubMed
  32. Shaffer HJ, Nelson SE, LaPlante DA, LaBrie RA, Albanese M, Caro G. The epidemiology of psychiatric disorders among repeat DUI offenders accepting a treatment-sentencing option. J Consult Clin Psychol. 2007 Oct; 75(5):795-804.
    View in: PubMed
  33. LaPlante DA, Shaffer HJ. Understanding the influence of gambling opportunities: expanding exposure models to include adaptation. Am J Orthopsychiatry. 2007 Oct; 77(4):616-23.
    View in: PubMed
  34. Nelson TF, LaBrie RA, LaPlante DA, Stanton M, Shaffer HJ, Wechsler H. Sports betting and other gambling in athletes, fans, and other college students. Res Q Exerc Sport. 2007 Sep; 78(4):271-83.
    View in: PubMed
  35. LaBrie RA, LaPlante DA, Nelson SE, Schumann A, Shaffer HJ. Assessing the playing field: a prospective longitudinal study of internet sports gambling behavior. J Gambl Stud. 2007 Sep; 23(3):347-62.
    View in: PubMed
  36. LaBrie RA, Nelson SE, LaPlante DA, Peller AJ, Caro G, Shaffer HJ. Missouri casino self-excluders: distributions across time and space. J Gambl Stud. 2007 Jun; 23(2):231-43.
    View in: PubMed
  37. Labrie RA, Laplante DA, Peller AJ, Christensen DE, Greenwood KL, Straus JH, Garmon MS, Browne C, Shaffer HJ. The interdependence of behavioral and somatic health: implications for conceptualizing health and measuring treatment outcomes. Int J Integr Care. 2007; 7:e10.
    View in: PubMed
  38. Nelson SE, LaPlante DA, Peller AJ, LaBrie RA, Caro G, Shaffer HJ. Implementation of a computerized psychiatric assessment tool at a DUI treatment facility: a case example. Adm Policy Ment Health. 2007 Sep; 34(5):489-93.
    View in: PubMed
  39. LaBrie RA, Shaffer HJ. Gambling with adolescent health. J Adolesc Health. 2007 May; 40(5):387-9.
    View in: PubMed
  40. LaBrie RA, Browne C, Christensen DE, Greenwood KL, Straus JH, Garmon MS, LaPlante DA, Scher S, Peller AJ, Shaffer HJ. Implementation of a consumer-directed approach in behavioral health care: problems and prospects. Psychiatr Serv. 2007 Mar; 58(3):300-2.
    View in: PubMed
  41. LaBrie RA, Kidman RC, Albanese M, Peller AJ, Shaffer HJ. Criminality and continued DUI offense: criminal typologies and recidivism among repeat offenders. Behav Sci Law. 2007; 25(4):603-14.
    View in: PubMed
  42. Shaffer HJ, Stanton MV, Nelson SE. Trends in gambling studies research: quantifying, categorizing, and describing citations. J Gambl Stud. 2006 Dec; 22(4):427-42.
    View in: PubMed
  43. Nelson SE, Laplante DA, Labrie RA, Shaffer HJ. The proxy effect: gender and gambling problem trajectories of iowa gambling treatment program participants. J Gambl Stud. 2006 Jun; 22(2):221-40.
    View in: PubMed
  44. LaPlante DA, Nelson SE, LaBrie RA, Shaffer HJ. Men & women playing games: gender and the gambling preferences of Iowa gambling treatment program participants. J Gambl Stud. 2006; 22(1):65-80.
    View in: PubMed
  45. Shaffer HJ. From disabling to enabling the public interest: natural transitions from gambling exposure to adaptation and self-regulation. Addiction. 2005 Sep; 100(9):1227-30; discussion 1235.
    View in: PubMed
  46. Shaffer HJ, Donato AN, Labrie RA, Kidman RC, Laplante DA. The epidemiology of college alcohol and gambling policies. Harm Reduct J. 2005 Feb 9; 2(1):1.
    View in: PubMed
  47. Ladouceur R, Shaffer HJ. Treating problem gamblers: working towards empirically supported treatment. J Gambl Stud. 2005; 21(1):1-4.
    View in: PubMed
  48. Shaffer HJ, LaBrie RA, LaPlante DA, Kidman RC, Donato AN. The Iowa Gambling Treatment Program: treatment outcomes for a follow-up sample. J Gambl Stud. 2005; 21(1):59-73.
    View in: PubMed
  49. Shaffer HJ, LaPlante DA, LaBrie RA, Kidman RC, Donato AN, Stanton MV. Toward a syndrome model of addiction: multiple expressions, common etiology. Harv Rev Psychiatry. 2004 Nov-Dec; 12(6):367-74.
    View in: PubMed
  50. Shaffer HJ, LaBrie RA, LaPlante DA, Nelson SE, Stanton MV. The road less travelled: moving from distribution to determinants in the study of gambling epidemiology. Can J Psychiatry. 2004 Aug; 49(8):504-16.
    View in: PubMed
  51. Shaffer HJ, LaBrie RA, LaPlante D. Laying the foundation for quantifying regional exposure to social phenomena: considering the case of legalized gambling as a public health toxin. Psychol Addict Behav. 2004 Mar; 18(1):40-8.
    View in: PubMed
  52. Vander Bilt J, Dodge HH, Pandav R, Shaffer HJ, Ganguli M. Gambling participation and social support among older adults: a longitudinal community study. J Gambl Stud. 2004; 20(4):373-89.
    View in: PubMed
  53. Blaszczynski A, Ladouceur R, Shaffer HJ. A science-based framework for responsible gambling: the Reno model. J Gambl Stud. 2004; 20(3):301-17.
    View in: PubMed
  54. LaBrie RA, Shaffer HJ, LaPlante DA, Wechsler H. Correlates of college student gambling in the United States. J Am Coll Health. 2003 Sep-Oct; 52(2):53-62.
    View in: PubMed
  55. Shaffer HJ, Kidman R. Shifting perspectives on gambling and addiction. J Gambl Stud. 2003; 19(1):1-6.
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  56. Wynne HJ, Shaffer HJ. The socioeconomic impact of gambling: the Whistler Symposium. J Gambl Stud. 2003; 19(2):111-21.
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  57. Shaffer HJ, Freed CR, Healea D. Gambling disorders among homeless persons with substance use disorders seeking treatment at a community center. Psychiatr Serv. 2002 Sep; 53(9):1112-7.
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  58. Shaffer HJ, Hall MN. The natural history of gambling and drinking problems among casino employees. J Soc Psychol. 2002 Aug; 142(4):405-24.
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  59. Shaffer HJ, Eber GB. Temporal progression of cocaine dependence symptoms in the US National Comorbidity Survey. Addiction. 2002 May; 97(5):543-54.
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  60. Shaffer HJ, Korn DA. Gambling and related mental disorders: a public health analysis. Annu Rev Public Health. 2002; 23:171-212.
    View in: PubMed
  61. Shaffer HJ, Hall MN. Updating and refining prevalence estimates of disordered gambling behaviour in the United States and Canada. Can J Public Health. 2001 May-Jun; 92(3):168-72.
    View in: PubMed
  62. Shaffer HJ, Dickerson M, Derevensky J, Winters K, George E, Karlins M, Bethune W. Considering the ethics of public claims: an appeal for scientific maturity. J Gambl Stud. 2001; 17(1):1-4.
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  63. Shaffer HJ, Simoneau G. Reducing resistance and denial by exercising ambivalence during the treatment of addiction. J Subst Abuse Treat. 2001 Jan; 20(1):99-105.
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  64. Shaffer HJ, Eber GB, Hall MN, Vander Bilt J. Smoking behavior among casino employees: self-report validation using plasma cotinine. Addict Behav. 2000 Sep-Oct; 25(5):693-704.
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  65. Shaffer HJ, Hall MN, Vander Bilt J. "Computer addiction": a critical consideration. Am J Orthopsychiatry. 2000 Apr; 70(2):162-8.
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  66. Hall MN, Amodeo M, Shaffer HJ, Vander Bilt J. Social workers employed in substance abuse treatment agencies: a training needs assessment. Soc Work. 2000 Mar; 45(2):141-55.
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  67. Shaffer HJ, Forman DP, Scanlan KM, Smith F. Awareness of gambling-related problems, policies and educational programs among high school and college administrators. J Gambl Stud. 2000; 16(1):93-101.
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  68. Eber GB, Shaffer HJ. Trends in bio-behavioral gambling studies research: quantifying citations. J Gambl Stud. 2000; 16(4):461-7.
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  69. Shaffer HJ. Strange bedfellows: a critical view of pathological gambling and addiction. Addiction. 1999 Oct; 94(10):1445-8.
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  70. Shaffer HJ, Hall MN, Vander Bilt J. Estimating the prevalence of disordered gambling behavior in the United States and Canada: a research synthesis. Am J Public Health. 1999 Sep; 89(9):1369-76.
    View in: PubMed
  71. Shaffer HJ, Vander Bilt J, Hall MN. Gambling, drinking, smoking and other health risk activities among casino employees. Am J Ind Med. 1999 Sep; 36(3):365-78.
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  72. Knight JR, Shrier LA, Bravender TD, Farrell M, Vander Bilt J, Shaffer HJ. A new brief screen for adolescent substance abuse. Arch Pediatr Adolesc Med. 1999 Jun; 153(6):591-6.
    View in: PubMed
  73. Korn DA, Shaffer HJ. Gambling and the Health of the Public: Adopting a Public Health Perspective. J Gambl Stud. 1999; 15(4):289-365.
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  74. Hall MN, Shaffer HJ, Vander Bilt J. Measuring substance abuse treatment provider training needs: developing an index of training need. J Subst Abuse Treat. 1997 Nov-Dec; 14(6):593-606.
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  75. Shaffer HJ. The most important unresolved issue in the addictions: conceptual chaos. Subst Use Misuse. 1997 Sep; 32(11):1573-80.
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  76. Scotch FL, Fleger-Berman L, Shaffer HJ. Evaluating the impact of a clinical training program in the addictions. Subst Use Misuse. 1997 Aug; 32(10):1331-48.
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  77. Shaffer HJ, LaSalvia TA, Stein JP. Comparing Hatha yoga with dynamic group psychotherapy for enhancing methadone maintenance treatment: a randomized clinical trial. Altern Ther Health Med. 1997 Jul; 3(4):57-66.
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  78. Vander Bilt J, Hall MN, Shaffer HJ, Higgins-Biddle JC. Assessing substance abuse treatment provider training needs: screening skills. J Subst Abuse Treat. 1997 Mar-Apr; 14(2):163-71.
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  79. Shaffer HJ. Understanding the means and objects of addiction: Technology, the internet, and gambling. J Gambl Stud. 1996 Dec; 12(4):461-9.
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  80. Silver JS, Shaffer HJ. Change intolerance to shifts in methadone formulation: a preliminary investigation. J Subst Abuse Treat. 1996 Jul-Aug; 13(4):331-9.
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  81. Shaffer HJ, Hall MN. Estimating the prevalence of adolescent gambling disorders: A quantitative synthesis and guide toward standard gambling nomenclature. J Gambl Stud. 1996 Jun; 12(2):193-214.
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  82. Silk A, Shaffer H. Dysthymia, depression, and a treatment dilemma in a patient with polysubstance abuse. Harv Rev Psychiatry. 1996 Jan-Feb; 3(5):279-84.
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  83. Shaffer HJ, Labrie R, Scanlan KM, Cummings TN. Pathological gambling among adolescents: Massachusetts Gambling Screen (MAGS). J Gambl Stud. 1994 Dec; 10(4):339-62.
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  84. Shaffer HJ, LaSalvia TA. Patterns of substance use among methadone maintenance patients. Indicators of outcome. J Subst Abuse Treat. 1992; 9(2):143-7.
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  85. Shaffer HJ, Costikyan NS. Cocaine psychosis and AIDS: a contemporary diagnostic dilemma. J Subst Abuse Treat. 1988; 5(1):9-12.
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  86. Shaffer HJ. The epistemology of "addictive disease": the Lincoln-Douglas debate. J Subst Abuse Treat. 1987; 4(2):103-13.
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  87. Ward JL, Shaffer HJ. Narcotic and other drug use: a spectrum. J Subst Abuse Treat. 1986; 3(4):297-9.
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  88. Shaffer HJ. On smokeless tobacco, addictive behavior and warning labels. J Subst Abuse Treat. 1986; 3(1):41-6.
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  89. Shaffer HJ. Conceptual crises and the addictions: a philosophy of science perspective. J Subst Abuse Treat. 1986; 3(4):285-96.
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  90. Sargent WC, Shaffer HJ, Lawford C. Two cases of misdiagnosis: some essentials of intake. J Subst Abuse Treat. 1986; 3(2):69-75.
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  91. Shaffer HJ. Classics revisited. The Discovery of Addiction: Levine and the philosophical foundations of drug abuse treatment. J Subst Abuse Treat. 1985; 2(1):41-57.
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  92. Shaffer H, Burglass ME. Thinking high: a metaphor from the past, in the present and, perhaps, for the future. J Psychoactive Drugs. 1984 Apr-Jun; 16(2):201-4.
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  93. Burglass ME, Shaffer H. Diagnosis in the addictions I: Conceptual problems. Adv Alcohol Subst Abuse. 1983-1984 Fall-Winter; 3(1-2):19-34.
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  94. Kauffman JF, Shaffer H, Burglass ME. A strategy for the biological assessment of addiction. Adv Alcohol Subst Abuse. 1983-1984 Fall-Winter; 3(1-2):7-18.
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  95. Shaffer H. Methadone and pregnancy: perspectives and prescriptions. J Psychedelic Drugs. 1979 Jul-Sep; 11(3):191-202.
    View in: PubMed
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