机构:
Columbia Univ Med Ctr, Dept Surg, Div Colorectal Surg, New York, NY USA
Columbia Univ Med Ctr, Herbert Irving Pavil, 161 Ft Washington Ave, 8th Floor, Room 8-836, New York, NY 10032 USAColumbia Univ Med Ctr, Dept Surg, Div Colorectal Surg, New York, NY USA