| RS | radioscaphoid; random sample; rating schedule; Raynaud syndrome; recipient's serum; rectal sinus; re... |
|---|---|
| RUL | right upper eyelid; right upper lateral; right upper limb; right upper lobe |
| RFP | recurrent facial paralysis; request for proposal; right frontoposterior [fetal position] |
| RIR | relative incidence rates; right interior rectus [muscle] |
| RLR | right lateral rectus [muscle] |