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[Infectious diseases: circumstances, chance... anything can be...] [PDF]

open access: yesRev Med Inst Mex Seguro Soc
Cabrera-Gaytán DA, Moctezuma-Paz A.
europepmc   +1 more source

D. Nicanor Remolar. Higiene y cólera en el Valladolid de 1885 [PDF]

open access: yes, 1990
Alaejos Estebanez, Antonio   +3 more
core  

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