| OH | hydroxycorticosteroid; obstructive hypopnea; occipital horn; occupational health; occupational histo... |
|---|---|
| OMG | osteopathic medical school graduate |
| OMT | object modeling technique; ocular microtremor; O-methyltransferase; ophthalmic medical technician or... |
| SOMA | Student Osteopathic Medical Association |
| SOSA | Student Osteopathic Surgical Association |