Prevalencia de haemophilus influenzae resistente a ampicilina y de streptococcus pneumoniae resistente a penicilina en portadores sanos
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| Format: | Tesis de especialidad |
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MX
1980
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| Online Access: | https://hdl.handle.net/20.500.14330/TES01000050932 http://132.248.9.195/pmig2020/0050932/Index.html |