 |
| English | Thesaurus |
| Animal- Assisted Therapy Services | AATS |
| Commission on Accreditation of Ambulance Services | CAAS |
| Emergency Medical Services | EMS (pre-hospital personnel) |
| Getting Early Maternity Services | GEMS |
| Helicopter Emergency Medical Services | HEMS (UK) |
| Immuno Compromised Services | ICS |
| Jewish Geriatric Services | JGS |
| National Association of Emergency Medicine Services Physicians | NAEMSP |
| Preferred Provider Services | PPS |
| Wake Health Services | WHS |
| Westchester Medical Imaging Services | WMIS |