| HOT | health-oriented telecommunication; human old tuberculin; hyperbaric oxygen therapy; Hypertension Opt... |
|---|---|
| MultiODA | multivariable optimal discriminant analysis |
| OCT | object classification test; optimal cutting temperature; oral contraceptive therapy; ornithine carba... |
| OD | Doctor of Optometry; obtained absorbance; occipital dysplasia; occupational dermatitis; occupational... |
| OID | optimal immunomodulating dose; Organism Identification Number; oxygen insufflation device |