Molecular defects in mucosal serotonin content and decreased serotonin reuptake transporter in ulcerative colitis and irritable bowel syndrome. - Coates MD; Mahoney CR; Linden DR; Sampson JE; Chen J; Blaszyk H; Crowell MD; Sharkey KA; Gershon MD; Mawe GM; Moses PL (Gastroenterology, 2004)