La viruela en México : problemática sanitaria y epidemiológica, 1920 – 1950
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| Format: | Tesis de licenciatura |
| Language: | Español |
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2010
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| Online Access: | https://hdl.handle.net/20.500.14330/TES01000724351 http://132.248.9.195/ptd2015/anteriores/filosofia/0724351/Index.html |