| OET | oral endotracheal tube; oral esophageal tube |
|---|---|
| OHI | Occupational Health Institute; operative hypertension indicator; oral hygiene index; Oral Hygiene In... |
| ARF | acute renal failure; acute respiratory failure; acute rheumatic fever; Addiction Research Foundation... |
| DAPRU | Drug Abuse Prevention Resource Unit |
| EPA/RCRA | Environmental Protection Agency Resource Conservation and Recovery Act |