TY - RPRT TI - Episode-based efficiency comparisons for physicians and nurse practitioners. AU - D S Salkever AU - E A Skinner AU - D M Steinwachs AU - H Katz PY - 1982 DO - 10.1097/00005650-198202000-00002 UR - https://pubmed.ncbi.nlm.nih.gov/7078278/ ID - 7078278 ER -