| FD | familial dysautonomia; family doctor; fan douche; fatal dose; fetal danger; fibrin derivative; fibro... |
|---|---|
| FW | Felix-Weil [reaction]; Folin-Wu [reaction]; fragment wound |
| FWR | Felix-Weil reaction; Folin-Wu reaction |
| ISI | International Sensitivity Index of reagent/instrument combination |
| AR | absolute risk; accounts receivable; achievement ratio; actinic reticuloid [syndrome]; active resista... |