| RS | radioscaphoid; random sample; rating schedule; Raynaud syndrome; recipient's serum; rectal sinus; re... |
|---|---|
| DRIP | delirium and drugs-restricted mobility and retention-infection, inflammation and impaction-polyuria ... |
| SI | International System of Units [Fr. le Systeme International d'Unites]; sacroiliac; saline infusion; ... |
| SUI | stress urinary incontinence |
| USI | universal serial interface; urinary stress incontinence |