TY - JOUR AN - 17 AU - Arrillaga,A. AU - Sosa,J.L. AU - Najjar,R. TI - Laparoscopic patching of crack cocaine-induced perforated ulcers. JO - Am Surg PY - 1996 VL - 62 SP - 1007-1009 M2 - 1007 ER -