| OB-US | obstetrical ultrasound [examination of the fetus] |
|---|---|
| OC | obstetrical conjugate; occlusocervical; office call; on call; only child; optic chiasma; oral contra... |
| PRP | physiologic rest position; pityriasis rubra pilaris; platelet-rich plasma; polyribosyl ribitol phosp... |
| TEF | Tracheo-Esophageal Fistula ? Tx 1. Infant Warmer ... |
| EEPI | extraretinal eye position information |