AU - LEWISON EF TI - BLeeding peptic ulcer PT - JOUR DP - 1949 TA - Archives of Surgery pages = {37-56}, VI - 59 IP - 1 AID - 10.1001/archsurg.1949.01240040040002 [doi] 4100 - http://dx.doi.org/10.1001/archsurg.1949.01240040040002 SO - Archives of Surgery July 1, 1949 59(1):37