| OGTT | Oral Glucose Tolerance Test |
|---|---|
| COGTT | cortisone oral glucose tolerance test |
| OGTT | oral glucose tolerance test |
| OTD | oculotrichodysplasia; oral temperature device; organ tolerance dose |
| OCP | octacalcium phosphate; ocular cicatricial pemphigoid; oral case presentation; oral contraceptive pil... |