| ORS | olfactory reference syndrome; oral rehydration solution; oral surgery, oral surgeon; Orthopaedic Res... |
|---|---|
| HTP | House-Tree-Person [test]; hydroxytryptophan; hypothromboplastinemia |
| TBT | tolbutamide test; tracheobronchial toilet; tracheobronchial tree |
| OCP | octacalcium phosphate; ocular cicatricial pemphigoid; oral case presentation; oral contraceptive pil... |
| OET | oral endotracheal tube; oral esophageal tube |