Laboratory and vaccination studies with dried smallpox vaccines : a report to the World Health Organization with a statistical note on the trial of smallpox vaccine
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Citation
Cross, R. M, Downie, A. W, Dumbell, Keith R, Kaplan, Colin, McClean, D. et al. (1956). Laboratory and vaccination studies with dried smallpox vaccines : a report to the World Health Organization with a statistical note on the trial of smallpox vaccine. World Health Organization. https://iris.who.int/handle/10665/67136