[Eradication of smallpox in the Americans].

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@article{Rodrigues1975EradicationOS, title={[Eradication of smallpox in the Americans].}, author={Beatriz Alessi Rodrigues}, journal={Boletin de la Oficina Sanitaria Panamericana. Pan American Sanitary Bureau}, year={1975}, volume={78 4}, pages={358-83} }