Gallbladder motility in patients with chronic idiopathic slow transit constipation - GÜRBÜZ, A. Kemal; GÜNAY, Alp; NARİN, Yavuz; DEMİRTÜRK, Levent; YAZGAN, Yusuf; ÖZEL, A. Melih; SOYLU, A. Rıza (Turkish Journal of Gastroenterology, 2001)