Top 100 hospitals form clinical research group.
D019072:Antibiotic Prophylaxis; D019985:Benchmarking; D003625:Data Collection; D017723:Drug Utilization Review; D006302:Health Services Research / Q000458:organization & administration*; D006761:Hospitals / Q000145:classification / Q000592:standards*; D006801:Humans; D009935:Organizational Affiliation; D012109:Research Support as Topic; D013530:Surgical Wound Infection / Q000517:prevention & control; D014481:United States