| CLO | cod liver oil |
|---|---|
| CO | carbon monoxide; cardiac output; castor oil; casualty officer; centric occlusion; cervical orthosis;... |
| EPO | eosinophil peroxidase; erythropoiesis; erythropoietin; evening primrose-oil; exclusive provider orga... |
| MO | macroorchidism; manually operated; Master of Obstetrics; Master of Osteopathy; medical officer; mesi... |
| MO-MOM | mineral oil and milk of magnesia |