TY - RPRT TI - Method for separating patient and procedural factors while analyzing interdepartmental differences in rates of surgical infections: the Israeli Study of Surgical Infection in Abdominal Operations. AU - E Simchen AU - D Zucker AU - I Y Siegman AU - N Galai PY - 1996 DO - 10.1016/0895-4356(96)00110-2 UR - https://pubmed.ncbi.nlm.nih.gov/8780608/ ID - 8780608 ER -