| RFC | request for comments; retrograde femoral catheter; rosette-forming cell |
|---|---|
| SDC | serum digoxin concentration; Smith delay compensator; sodium deoxycholate; subacute combined degener... |
| TEC | total electron count; total eosinophil count; total exchange capacity; transient erythroblastopenia ... |
| UAC | umbilical artery catheter |
| UC | ulcerative colitis; ultracentrifugal; umbilical cord; unchanged; unclassifiable; unconscious; undiff... |