| Experimental Study on Freeze Dried B.C.G. Vaccine Production |
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H. O. Shin |
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Korean Institute of Tuoerculosis, The Korean National Tuberculosis Association, Seoul, Korea |
| 냉동건조 비씨지 백신의 제조에 관한 실험 |
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신현오 |
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| Abstract |
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The author experimented on freeze dried B. C. G. vaccine production with newly installed freeze dryer, (Model VFD-6FVMS-13F- R) (DAI-SHINKU), at N.I.H. The survival rate of immediately before and after freeze dry was 45%. It contained practicable viable units more than 9 months storage in refrigerator and up to 6 months storage at room temperature. If stored at high temperature in the incubator the viable rate was 43% after 1 month and 2% after 3 months. |
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