| FR | failure rate; film-screen radiograph; fasciculus retroflexus; febrile reaction; feedback regulation;... |
|---|---|
| FRAT | free radical assay technique |
| LRM | left radical mastectomy |
| MRM | magnetic resonance mammography; modified radical mastectomy |
| ORS | olfactory reference syndrome; oral rehydration solution; oral surgery, oral surgeon; Orthopaedic Res... |