Health Abbreviations and Acronyms
- OHSLBOccupational Health and Sgfety Lead Body
- OHSUOregon Health Sciences University
- OHSWOccupational Health, Safety and Welfare
- OHTOregon Healthy Teens
- OHTOslo Heart Trial
- OIOpportunistic Infection
- OIOsteogenesis Imperfecta
- OIOxygen Intake
- OIOccasional Insomnia
- OIOpportunistic Infections
- OIOrthoiodohippurate
- OIOunbain Insensitivity
- OIAOfficial Action Indicated
- OIACOffshore Industry Advisory Coumittee
- OICOffise of Insurance Commissioner
- OICOffices of The Insurance Commissioner
- OIDOffice of Infectious Diseases
- OIDOptimal Immunomodulating Dose
- OIDOrganism Identification Number
- OIDOxygen Insufflation Device
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