| rANP | rat atrial natriuretic peptide |
|---|---|
| RAR | rapidly adapting receptor; rat insulin receptor; retinoic acid receptor; right arm reclining; right ... |
| RARLS | rabbit anti-rat lymphocyte serum |
| RARTS | rabbit anti-rat thymocyte serum |
| RAT | repeat action tablet; rheumatoid arthritis test |