TY - GEN AU - WELCH,C E TI - Abdominal surgery SN - 0028-4793 PY - 2004///0215 KW - Abdomen KW - Digestive System Surgical Procedures KW - Gastrointestinal Tract KW - surgery KW - Humans N1 - Publication Type: Journal Article UR - https://doi.org/10.1056/NEJM195206192462504 ER -