| RGI | recovery from growth inhibition |
|---|---|
| RIT | radioimmune trypsin; radioiodinated triolein; radioiodine treatment; rosette inhibition titer |
| RTI | respiratory tract infection; reverse transcriptase inhibition |
| SIF | serum-inhibition factor |
| SSI | segmental sequential irradiation; shoulder subluxation inhibition; small-scale integration; Social S... |