・ | Spirochaetal Survival In Frozen Plasma (Mark M. Ravitch And John W. Chambers) |
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・ | The Preservation Of Virulent Treponema Pllidum and Treponema Pertenue In the Frozon State; With A Note On The Preservation Of Filtrable Viruses (Thomas B. Turner, M.D.) |
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・ | Frozen Syphilomatous Rabbit Testes As Source Of Treponema Pallidum For The Immobilization (TPI) Test For Syphilis (Robert I. Anderson, Captain, MSC, USA, John F. Kent, Ph.D., And Robert W. Sanders) |