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Ferraz Antônio Flávio is working in Oswaldo Cruz Foundation, Mato Grosso do Sul, Brazil. Ferraz Antônio Flávio is Editorial Board Member of Epidemiology : open access and serves as a member of various associations , apart from being an author for many book.
Pregnancy; Pregnant women; Prenatal; Gestation; Dried blood spots; Filter paper; Syphilis; Morbidity; Mortality; Brazil