| COA | Canadian Ophthalmological Association; Canadian Orthopaedic Association; certificate of authority; c... |
|---|---|
| CPA | Canadian Physiotherapy Association; Canadian Psychiatric Association; carboxypeptidase A; cardiopulm... |
| CAS | calcarine sulcus; calcific aortic stenosis; Cancer Attitude Survey; carbohydrate-active steroid; car... |
| CES-D | Center for Epidemiological Studies of Depression [scale] |
| CHAS | Center for Health Administration Studies |