| bds | to be taken twice a day [Lat. bid in die summendus] |
|---|---|
| bid | twice a day [Lat. bis in die] |
| C/D | cigarettes per day; cup to disc ratio |
| c/d | cigarettes per day |
| CDT | carbohydrate-deficient transferrin; carbon dioxide therapy; Certified Dental Technician; children's ... |