| UDC | usual diseases of childhood |
|---|---|
| USAMRIID | United States Army Medical Research Institute for Infectious Diseases |
| FDI | F?d?ration Dentaire Internationale = International Dental Association |
| IHS | 1) International Headache Society 2) Intelligent Hospital System |
| ILO | International Labo(u)r Organization; 국제노동기구 |
| OIE | Office International des Epizooties |
|---|---|
| SLICC/ACR | Systemic Lupus International Collaborating Clinics/American College of Rheumatology |
| UICC | Union International Contre le Cancer |