| RFI | Renal Failure Index Urine Na &nb... |
|---|---|
| PU | palindromic unit; passed urine; pepsin unit; peptic ulcer; pregnancy urine; 6-propyluracil; prostati... |
| UC | ulcerative colitis; ultracentrifugal; umbilical cord; unchanged; unclassifiable; unconscious; undiff... |
| SPEC | specificity |
| Spec | specialist, specialty |