| plx | plexus |
|---|---|
| SVP | selective vagotomy and pyloroplasty; small volume parenteral [infusion]; standing venous pressure; s... |
| IR | drop of voltage across a resistor produced by a current; ileal resection; immune response; immunizat... |
| DRE | digital rectal examination |
| DRS | descending rectal septum; diagnostic review station; Division of Research Services [NIH]; drowsiness... |