| ROI | reactive oxygen intermediate; region of interest; right occipitolateral [fetal position] |
|---|---|
| SMCR | Smith-Magenis chromosome region |
| SRO | sex-ratio organism; single room occupancy; smallest region of overlap; Steele-Richardson-Olszewski [... |
| TB | Taussig-Bind [syndrome]; terabyte; term birth; terminal bronchiole; terminal bronchus; thromboxane B... |
| TPR | temperature, pulse, and respiration; testosterone production rate; third party reimbursement; total ... |