Marketing audit: St. Luke's emergency department.
D002391:Catchment Area, Health; D004636:Emergency Service, Hospital / Q000458:organization & administration*; D005069:Evaluation Studies as Topic; D006744:Hospital Bed Capacity, 100 to 299; D008389:Marketing of Health Services; D012495:San Francisco; D012959:Socioeconomic Factors; D013996:Time and Motion Studies