Tang Shou-jiang, Haber Gregory B
The Center for Therapeutic Endoscopy and Endoscopic Oncology, St Michael's Hospital, University of Toronto, 600 Sherbourne Street, Suite 611, Toronto, Ontario, M4X 1W4, Canada.
Gastrointest Endosc Clin N Am. 2004 Jan;14(1):87-100. doi: 10.1016/j.giec.2003.10.011.