TY - JOUR AN - 4 AU - Shin,E.J. AU - Ko,C.W. AU - Magno,P. TI - Comparative study of endoscopic clips: duration of attachment at the site of clip application. JO - Gastrointest Endosc PY - 2007 VL - 66 SP - 757-761 M2 - 757 DO - 10.1016/j.gie.2007.03.1049 ER -