| RRT | random response technique; Registered Respiratory Therapist; relative retention time |
|---|---|
| RS | radioscaphoid; random sample; rating schedule; Raynaud syndrome; recipient's serum; rectal sinus; re... |
| RTC | random control trial; rape treatment center; renal tubular cell; residential treatment center; retur... |
| RV | random variable; rat virus; Rauscher virus; rectovaginal; reinforcement value; renal vein; residual ... |
| SRAM | static random access memory |