Showing items related by title and MeSH subject.

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  Smallpox control in Indonesia during the second quarter of the century and re-establishment of endemic smallpox from 1947 / by M.F. Polak 

  Polak, M. F (‎WHO/SE/68.1, 1968)‎
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  Report on a survey to determine the status of smallpox and levels of smallpox immunity 

  Hiriart, Juan José; Silveira, Claudio Marcos da (‎WHO/SE/72.37, 1972)‎
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  Paraguay : report on a survey to determine the status of smallpox and levels of smallpox immunity 

  World Health Organization. Smallpox Eradication Unit (‎WHO/SE/72.38, 1972)‎