F. J. Craveiro de Carvalho

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Introduction The increasing number of pregnant teenagers in São Tomé and Príncipe (STP) represents a serious public health issue. The aim of this study was to characterize the population of pregnant adolescents followed in a health facility dedicated to maternal health in STP. Methods A cross-sectional survey was conducted among pregnant teenagers that(More)
Given any non-trivial, connected topological space X, it is possible to define an equivalence relation ∼ on it such that the topological quotient space X/ ∼ is the Sierpinski space. Locally Sierpinski spaces are generalizations of the Sierpinski space and here we address the following question. Does a statement like the one above hold if Sierpinski is(More)
In their interesting paper, Fabia de Carvalho and Maurício Bugarin alter the infor-mational assumptions I employed in Walsh (2000) and discuss how this change affects the results reported in my paper. The structure of the underlying model I used, and therefore the rationale for the informational assumption, was designed to capture two factors. First,(More)
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