| 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 |
| ISIS | image selected in vivo spectroscopy; imaging science and information system; information system-imag... |
| RHG | right hand grip |
| LHS | left hand side; left heart strain; left heelstrike; lymphatic/hematopoietic system |