TY - RPRT TI - Gastrointestinal surgery. AU - Allan D Spigelman AU - Daniel R McGrath AU - Richard D Levy PY - 2002 DO - 10.5694/j.1326-5377.2002.tb04248.x UR - https://pubmed.ncbi.nlm.nih.gov/11840915/ ID - 11840915 ER -