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Analysis of polio vaccination status in a cohort of live births in 2017 and 2018 in Brazilian cities: a national vaccination coverage survey. [PDF]

open access: yesEpidemiol Serv Saude
Franco ALMX   +35 more
europepmc   +1 more source

Ante la prevista erradicación de la poliomielitis

open access: yesRevista Panamericana de Salud Pública, 1998
openaire   +1 more source

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