| TDF | Testicular-Determining Factor = HY Factor |
|---|---|
| TSHRF | Thyrotropin(Thyroid) Stimulating Hormone Releasing Factor = Thyrotropin Releasing Fa... |
| AEF | allogenic effect factor; amyloid enhancing factor; aorto-enteric fistula |
| AF | abnormal frequency; acid-fast; adult female; afebrile; aflatoxin; albumin-free; albumose-free; aldeh... |
| AHF | acute heart failure; American Health Foundation; American Hepatic Foundation; American Hospital Form... |