| FS | factor of safety; Fanconi syndrome; Felty syndrome; fibromyalgia syndrome; field stimulation; Fisher... |
|---|---|
| GESICA | Argentinian Study Group for the Prevention of Cardiac Insufficiency [Grupo de Estudio de la Sobrevid... |
| GISSI | Italian Study Group for the Prevention of Myocardial Infarction [Gruppo Italiano per lo Studio della... |
| GITSG | gastrointestinal tumor study group |
| HOT | health-oriented telecommunication; human old tuberculin; hyperbaric oxygen therapy; Hypertension Opt... |