| CRF | case report form; chronic renal failure; chronic respiratory failure; coagulase-reacting factor; con... |
|---|---|
| RF | radial fiber; radio frequency; receptive field; regurgitant fraction; Reitland-Franklin [unit]; rela... |
| RVF | renal vascular failure; Rift Valley fever; right ventricular failure; right visual field |
| AAI | acute alveolar injury; Adolescent Alienation Index; American Association of Immunologists; atrial in... |
| AAT | Aachen Aphasia Test; academic aptitude test; alanine aminotransferase; alkylating agent therapy; alp... |