Medical Abbreviations and Acronyms
- OAVTOntario Association of Veterinary Technicians
- OAWOnce A Week
- OAZOrnithine Decarboxylase Antizyme
- OBObstetrician
- OBObstetrics
- OBObstetric
- OBOne Business
- OBOsteoblash-Like Cells
- OBOat Bran
- OBObese
- OBObese Lep
- OBObese Patients
- OBObesity
- OBOcclusion Bodies
- OBOccult Bacteremia
- OBOccult Bleeding
- OBOccult Blood
- OBOestradiol Benzoate
- OBOrange Blotch
- OBOsteoblast
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