| COA | Canadian Ophthalmological Association; Canadian Orthopaedic Association; certificate of authority; c... |
|---|---|
| COI | Central Obesity Index; certificate of insurance; cost of illness |
| CON | certificate of need |
| CPH | Certificate in Public Health; chronic paroxysmal hemicrania; chronic persistent hepatitis; chronic p... |
| CTC | chlortetracycline; Clinical Trial Certificate; computed tomographic colography; computer-aided tomog... |