Trad, L. A. B., Castellanos, M. E. P., & Guimarães, M. C. da S. (2012). Accessibility to primary health care by black families in a poor neighborhood of Salvador, Northeastern Brazil . Revista De Saúde Pública, 46(6), 1007-1013. https://doi.org/10.1590/S0034-89102012000600010