| RIR | relative incidence rates; right interior rectus [muscle] |
|---|---|
| RM | radical mastectomy; random migration; radon monitor; range of movement; red marrow; reference materi... |
| Rm | relative mobility; remission |
| RMA | rapid membrane assay; refuses medical advice; Registered Medical Assistant; relative medullary area;... |
| RMR | relative maximum respone; resting metabolic rate; right medial rectus [muscle] |