| PRC | packed red cells; peer review committee; phase response curve; plasma renin concentration; professio... |
|---|---|
| PRS | Personality Rating Scale; Pierre Robin syndrome; plasma renin substrate; proctorectosigmoidoscopy |
| RA | radioactive; ragocyte; ragweed antigen; rapidly adapting [receptors]; reactive arthritis; reciprocal... |
| RAA | renin-angiotensin-aldosterone [system] |
| RAAS | renin-angiotensin-aldosterone system |