| OD | Doctor of Optometry; obtained absorbance; occipital dysplasia; occupational dermatitis; occupational... |
|---|---|
| OID | optimal immunomodulating dose; Organism Identification Number; oxygen insufflation device |
| OPTHD | optimal hemodialysis |
| BMZ | Basement Membrane Zone |
| ECG | Electro-Cardio-Graphy(-Gram); 심전도 = EKG 1. Conducting System Structu... |