| WO | wash out; will order; written order |
|---|---|
| s | Greek lower case letter sigma; conductivity; cross section; millisecond; molecular type or bond; pop... |
| VB | vaginal bulb; valence bond; venous blood; ventrobasal; Veronal buffer; vertebrobasilar; viable birth... |
| PO, p.o. | 1) Per Os; by mouth; 구강으로, 경구로 2) Phone Order; 전화지시 3) Pos... |
| v.o. | verbal order; 구두지시 |