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Start Over You searched for: Collections World War 2, 1939-1949 Remove constraint Collections: World War 2, 1939-1949 Languages English Remove constraint Languages: English Publication Year 1950 Remove constraint Publication Year: <span class="single" data-blrl-single="1950">1950</span>

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

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

7. Relationship of supersonic wave frequency and cellulicidal action

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

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

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