Effect of a chloride channel activator, lubiprostone, on colonic sensory and motor functions in healthy subjects. - Sweetser S; Busciglio IA; Camilleri M; Bharucha AE; Szarka LA; Papathanasopoulos A; Burton DD; Eckert DJ; Zinsmeister AR (American journal of physiology. Gastrointestinal and liver physiology, 2009)