| 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 ... |
| CPPD | calcium pyrophosphate dihydrate deposition [syndrome]; cisplatin; cost per patient day |
| 1/d | once a day |
| left ventricular ejection time | The time measured clinically from onset to incisural notch of the carotid or other pulse; properly the time of ejection of blood from the left ventricle beginning with aortic valve opening and ending with aortic valve closure. (05 Mar 2000) |
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