| MRA | magnetic resonance angiography; main renal artery; marrow repopulation activity; medical record anal... |
|---|---|
| MRF | Markov random field; medical record file; melanocyte-[stimulating hormone]-releasing factor; mesence... |
| RAP | recurrent abdominal pain; regression-associated protein; renal artery pressure; resident assessment ... |
| TRS | testicular regression syndrome; total reducing sugars; tubuloreticular structure |