| 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 |
| FO | Fossa(Foramen) Ovale |
| PFO | Patent Foramen Ovale |
| CF | calcaneal fibular [ligament]; calcium leucovorin; calf blood flow; calibration factor; cancer-free; ... |