“…Uncontrolled studies not listed in table 1 tend to support these findings, but should be interpreted cautiously. In one study (Sohn, Wolter, and McSweeney 1980), a retrospective audit revealed inefficient dosing and use of two cephalosporin antibiotics (cephapirin and cefazolin). W ritten educational guidelines were provided to physicians and then supplemented by personal visits and phone calls to those whose orders varied from the recommendations.…”