| CCEI | Crown-Crisp Experimental Index |
|---|---|
| CH | case history; Chediak-Higashi [syndrome]; chiasma; Chinese hamster; chloral hydrate; cholesterol; Ch... |
| CR | calculation rate; calculus removed; calorie-restricted; cardiac rehabilitation; cardiac resuscitatio... |
| Cr | chromium; cranium, cranial; creatinine; crown |
| CRD | carbohydrate-recognition domain; chronic renal disease; chronic respiratory disease; child restraint... |