Djanilson Barbosa dos Santos

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CONTEXT AND OBJECTIVE Relatively little is known about the usual frequency of sexual activity and how older individuals cope with sexual problems. The objective was to study sexual activity,(More)
Objective To identify the prevalence of anemia and its relation to food insecurity (FI) and other determinants in pregnant women. Methods A cross-sectional, cohort-nested study, with the(More)
Studies conducted among populations of tropical countries have reported high prevalences of vitamin D deficiency and insufficiency. Information resulting from meta-analyses on the spatial(More)