| LPO | lactoperoxidase; left posterior oblique; light perception only; lipid peroxidation |
|---|---|
| OC | obstetrical conjugate; occlusocervical; office call; on call; only child; optic chiasma; oral contra... |
| POM | pain on motion; prescription only medicine |
| PROM | passive range of motion; premature rupture of fetal membranes; prolonged rupture of fetal membranes;... |
| ROM | range of motion; read only memory; reduction of movement; regional office manual; removal of metal [... |