Freitas, L. M., Coriolano‑Marinus, M. W. de L., Lima, L. S. de and Ruiz‑Moreno, L. (2015) “Training of community health agents in the city of Altamira (Pará), Brazil”, ABCS Health Sciences, 40(3). doi: 10.7322/abcshs.v40i3.791.