Souza Filho, Zilmar Augusto de, et al. “ Hypertension Prevalence Among Indigenous Populations in Brazil: A Systematic Review With Meta-Analysis ”. Revista Da Escola De Enfermagem Da USP, vol. 49, no. 6, Dec. 2015, pp. 1012-2, https://doi.org/10.1590/S0080-623420150000600019.