L. A. Bedoya-Ruiz, A. A. Agudelo-Suárez, and D. A. Restrepo-Ochoa, “Relations established by women during pregnancy, delivery and postpartum with health personnel according to social class in Bogotá: qualitative study”, Rev Peru Med Exp Salud Publica, vol. 37, no. 1, pp. 7–16, Mar. 2020, doi: 10.17843/rpmesp.2020.371.4963.