| cod | codeine |
|---|---|
| ETHC | elixir terpin hydrate with codeine |
| THC | terpin hydrate and codeine; tetrahydrocannabinol; tetrahydrocortisol; thiocarbanidin; thrombocytopen... |
| OET | oral endotracheal tube; oral esophageal tube |
| OHI | Occupational Health Institute; operative hypertension indicator; oral hygiene index; Oral Hygiene In... |