Amaral, Thatiana Lameira Maciel, Cledir de Araújo Amaral, Margareth Crisóstomo Portela, Gina Torres Rego Monteiro, and Maurício Teixeira Leite de Vasconcellos. 2019. “Study of Chronic Diseases (Edoc): Methodological Aspects”. Revista De Saúde Pública 53 (January): 8. https://doi.org/10.11606/S1518-8787.2019053000847.