Heightened colon motor activity measured by a wireless capsule in patients with constipation: relation to colon transit and IBS.
Hasler WL, Saad RJ, Rao SS, Wilding GE, Parkman HP, Koch KL, McCallum RW, Kuo B, Sarosiek I, Sitrin MD, Semler JR, Chey WD. Heightened colon motor activity measured by a wireless capsule in patients with constipation: relation to colon transit and IBS. Am J Physiol Gastrointest Liver Physiol. 2009 Dec; 297(6):G1107-14.