| ORS | olfactory reference syndrome; oral rehydration solution; oral surgery, oral surgeon; Orthopaedic Res... |
|---|---|
| VAD | venous access device; ventricular assist device; vinblastine and dexamethasone; vitamin A deficiency... |
| VBD | vanishing bile duct; Veronal-buffered diluent |
| OCP | octacalcium phosphate; ocular cicatricial pemphigoid; oral case presentation; oral contraceptive pil... |
| OET | oral endotracheal tube; oral esophageal tube |