| NIF | negative inspiratory force; neutrophil immobilizing factor; nonintestinal fibroblast |
|---|---|
| PMF | platelet membrane fluidity; progressive massive fibrosis; proton motive force; pterygomaxillary foss... |
| pmf | proton motive force |
| RAFMS | Royal Air Force Medical Services |
| RCF | red cell ferritin; red cell folate; relative centrifugal field/force; ristocetin cofactor |