Psychiatric disorder, irritable bowel syndrome, and extra-intestinal symptoms in a population-based sample of twins.
Lembo AJ, Zaman M, Krueger RF, Tomenson BM, Creed FH. Psychiatric disorder, irritable bowel syndrome, and extra-intestinal symptoms in a population-based sample of twins. Am J Gastroenterol. 2009 Mar; 104(3):686-94.