Barreto, Augusto Cesar, e Kalina Vanderlei Paiva. 2008. “Association of Social Indicators and Arterial Hypertension in School Adolescents in the Sertão of Pernambuco”. Revista De Enfermagem UFPE on Line 2 (2). Recife:195-96. https://periodicos.ufpe.br/revistas/revistaenfermagem/article/view/5387.