| TPCF | Treponema pallidum complement fixation |
|---|---|
| CRL | cell repository line; Certified Record Librarian; complement receptor location; complement receptor ... |
| CR | calculation rate; calculus removed; calorie-restricted; cardiac rehabilitation; cardiac resuscitatio... |
| AAR | active avoidance reaction; acute articular rheumatism; antigen-antiglobulin reaction |
| APR | abdominoperineal resection; absolute proximal reabsorption; acute phase reaction or reactant; amebic... |