Harvard Catalyst Profiles

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Reproducibility and validity of an expanded self-administered semiquantitative food frequency questionnaire among male health professionals.

Reproducibility and validity of an expanded self-administered semiquantitative food frequency questionnaire among male health professionals. Am J Epidemiol. 1992 May 15; 135(10):1114-26; discussion 1127-36.

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Funded by the NIH National Center for Advancing Translational Sciences through its Clinical and Translational Science Awards Program, grant number UL1TR002541.