| PRA | panel-reactive antibody; phosphoribosylamine; physician recognition award; plasma renin activity; pr... |
|---|---|
| PRC | packed red cells; peer review committee; phase response curve; plasma renin concentration; professio... |
| RA | radioactive; ragocyte; ragweed antigen; rapidly adapting [receptors]; reactive arthritis; reciprocal... |
| RAA | renin-angiotensin-aldosterone [system] |
| RAAS | renin-angiotensin-aldosterone system |