| FLA | fluorescent-labeled antibody; left frontoanterior [position of the fetus] [Lat. fronto-laeva anterio... |
|---|---|
| FRA | fibrinogen-related antigen; fluorescent rabies antibody |
| FTA-ABS, | FTA-Abs fluorescent treponemal antibody, absorbed [test] |
| FTAT | fluorescent treponemal antibody test |
| HAMA | Hamilton anxiety [scale]; human anti-murine antibody |