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Start Over You searched for: Subjects World+War+II Remove constraint Subjects: World+War+II Publication Year 1950 Remove constraint Publication Year: <span class="single" data-blrl-single="1950">1950</span>

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

4. Antibodies in blood eight months after inoculation with supersonic wave-treated cholera vaccine

5. Relationship of supersonic wave frequency and cellulicidal action

6. Relationship of supersonic wave frequency and cellulicidal action (Document Number 55388A)

7. Relationship of supersonic wave frequency and cellulicidal action (Document Number 55388B)

8. Relationship of supersonic wave frequency and cellulicidal action (Document Number 55388C)