| OCP | octacalcium phosphate; ocular cicatricial pemphigoid; oral case presentation; oral contraceptive pil... |
|---|---|
| OET | oral endotracheal tube; oral esophageal tube |
| OHI | Occupational Health Institute; operative hypertension indicator; oral hygiene index; Oral Hygiene In... |
| ET | 1) Essential Thrombocytosis 2) Embryo Transfer |
| EAA | electroacupuncture analgesia; Epilepsy Association of America; essential amino acid; excitatory amin... |