| OCN | oculomotor nucleus; oncology certified nurse |
|---|---|
| OM | obtuse mental; occipitomental; occupational medicine; ocular movement; oculomotor; Osborne Mendel [r... |
| OMN | oculomotor nerve |
| CER | capital expenditure review; ceramide; conditioned emotional response; control electrical rhythm; cor... |
| CR | calculation rate; calculus removed; calorie-restricted; cardiac rehabilitation; cardiac resuscitatio... |