| RA | 1) Refractory Anemia 2) Rheumatoid Arthritis ? Arthritis 3) Right Atrium |
|---|---|
| RA | radioactive; ragocyte; ragweed antigen; rapidly adapting [receptors]; reactive arthritis; reciprocal asymmetrical; refractory anemia; refractory ascites; renal artery; renin-angiotensin; repeat action; residual air; retinoic acid; rheumatoid arthritis; right angle; right arm; right atrium; right auricle; rotation angiography; Roy adaptation [ model] |
| RA | airway resistance |
| Ra | radial; radium; radius |
| rA | riboadenylate |
| RA-S | refractory anemia with ringed sideroblasts |
| RAA | Renin-Angiotensin-Aldosterone |
| RAA | renin-angiotensin-aldosterone [system] |
| RAAMC | Royal Australian Army Medical Corps |
| RAAS | renin-angiotensin-aldosterone system |