| OTD | oculotrichodysplasia; oral temperature device; organ tolerance dose |
|---|---|
| OTF | octamer-binding transcription factor; oral transfer factor |
| OTFC | oral transmucosal fenatyl citrate |
| ROU | recurrent oral ulcer |
| SOC | sequential oral contraceptive; Standard Occupational Classification; standards of care; synovial ost... |