| FAR | Federal acquisitions regulation; fractional albumin rate; fresh bone marrow |
|---|---|
| FR | failure rate; film-screen radiograph; fasciculus retroflexus; febrile reaction; feedback regulation;... |
| IRIS | integrated risk information system; interleukin regulation of immune system; International Research ... |
| AGA | accelerated growth area; allergic granulomatosis and angiitis; American Gastroenterological Associat... |
| Gen | genetics, genetic; genus |