| ORS | olfactory reference syndrome; oral rehydration solution; oral surgery, oral surgeon; Orthopaedic Res... |
|---|---|
| OT | objective test; oblique talus; occlusion time; occupational therapist, occupational therapy; ocular ... |
| OTU | olfactory tubercle; operational taxonomic unit |
| GC | ganglion cell; gas chromatography; general circulation; general closure; general condition; generali... |
| ADCC cell | Antibody Dependent Cellular(= Cell-Mediated) Cytotoxicity cell |