| ORS | olfactory reference syndrome; oral rehydration solution; oral surgery, oral surgeon; Orthopaedic Res... |
|---|---|
| FAC | familial adenomatosis coli; femoral arterial cannulation; ferric ammonium citrate; 5-fluorouracil, A... |
| FC | fasciculus cuneatus; fast component [of a neuron]; febrile convulsions; feline conjunctivitis; ferri... |
| FDDC | ferric dimethyldithiocarbonate |
| FPN | ferric chloride, perchloric acid, and nitric acid [solution] |