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Start Over You searched for: Collections World War 2, 1939-1949 Remove constraint Collections: World War 2, 1939-1949 Subjects Ultrasonic Therapy Remove constraint Subjects: Ultrasonic Therapy Titles Research on cholera vaccines treated with supersonic waves: effects of formalin on antigenic properties Remove constraint Titles: Research on cholera vaccines treated with supersonic waves: effects of formalin on antigenic properties

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1. Research on cholera vaccines treated with supersonic waves: effects of formalin on antigenic properties