| UAS | upper abdomen surgery; upstream activation site |
|---|---|
| VAS | vascular; ventriculo-atrial shunt; Verapamil Angioplasty Study; vesicle attachment site; viral arthr... |
| IVS | Intra Vascular Site |
| CLO | cod liver oil |
| CO | carbon monoxide; cardiac output; castor oil; casualty officer; centric occlusion; cervical orthosis;... |