| SOR | stimulus-organism response; superoxide release |
|---|---|
| SRIF | somatotropin-release inhibiting factor |
| SRNG | sustained release nitroglycerin |
| SRT | sedimentation rate test; simple reaction time; sinus node recovery time; sitting root test; speech r... |
| TR | recovery time; rectal temperature; repetition time; residual tuberculin; terminal repeat; tetrazoliu... |