Treatment Abbreviations and Acronyms
- OARSOlder Americans Resources and Services
- OASASOffice of Alcohol and Substance Abmse Services
- OASASOffice of Alcoholism & Substance Abuse Services
- OASASOffice of Alcohol and Substance Abuse Service
- OASASOffices of Alcoholism and Substance Abuse Services
- OATLOrnithine Aminotransferase-Like
- OATSOsteochondral Autograft Transfer Surgery
- OAVDOculoauriculovertebral Dysplasia
- OAVSOculo-Auriculovertebral Syndrome
- OAWOral Airways
- OBObesity
- OBObstetrics and Gynecology
- OB GYNObstetrics and Gynecology
- OBBOriginal Bidet Bottle
- OBGObstetrics and Gynecology
- OBG, OBGObstetrics and Gynecology, Obstetrician-Gynecologist
- OBGYNObstetrics and Gynecology
- OBHOutdoor Behavioral Healthcare
- OBIOn-Board Imager
- OBICUObstetric Intensive Care Unit
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