| CRL | Crown-Rump Length |
|---|---|
| AlCr | aluminum crown |
| 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... |