| CI-S | calculus index, simplified |
|---|---|
| CR | calculation rate; calculus removed; calorie-restricted; cardiac rehabilitation; cardiac resuscitatio... |
| CSI | calculus surface index; cancer serum index; cavernous sinus infiltration; cervical spine injury; che... |
| EFC | elastin fragment concentration; endogenous fecal calcium; ephemeral fever of cattle |
| FBA | fecal bile acid |