| RA | radioactive; ragocyte; ragweed antigen; rapidly adapting [receptors]; reactive arthritis; reciprocal... |
|---|---|
| APR | abdominoperineal resection; absolute proximal reabsorption; acute phase reaction or reactant; amebic... |
| RP | radial pulse; radiopharmaceutical; rapid processing [of film]; Raynaud phenomenon; reactive protein;... |
| ILP | inadequate luteal phase; insufficiency of luteal phase; interstitial laser photocoagulation; interst... |
| SPIA | solid-phase immunoabsorption; solid-phase immunoassay |