| RCF | red cell ferritin; red cell folate; relative centrifugal field/force; ristocetin cofactor |
|---|---|
| RVF | renal vascular failure; Rift Valley fever; right ventricular failure; right visual field |
| SEF | somatically-evoked field; staphylococcal enterotoxin F |
| TEFS | transmural electrical field stimulation |
| TVMF | time varying magnetic field |