Refers to the broad range of support personnel, either professional or nonprofessional, in the field of medicine who perform their duties in health care settings, including but not limited to hospitals, clinics, nursing homes, infirmaries, ambulances, laboratories, and medical offices. This term can be used when more specific subject terms do not apply, e.g., DENTAL ASSISTANTS, HEALTH PROFESSIONALS, NURSES' AIDES, PHARMACISTS' ASSISTANTS, PHYSICAL THERAPISTS, etc.