| OCP | octacalcium phosphate; ocular cicatricial pemphigoid; oral case presentation; oral contraceptive pil... |
|---|---|
| OEM | opposite ear masked; original electronic manufacturer |
| OT | objective test; oblique talus; occlusion time; occupational therapist, occupational therapy; ocular ... |
| PC | avoirdupois weight [Lat. pondus civile]; packed cells; paper chromatography; paracortex; parent cell... |
| PILL | Pennebaker Inventory of Limbic Languidness |