BEDOYA-RUIZ, Libia A.; AGUDELO-SUAREZ, Andrés A.  e  RESTREPO-OCHOA, Diego A.. Relations established by women during pregnancy, delivery and postpartum with health personnel according to social class in Bogotá: qualitative study. Rev. perú. med. exp. salud publica [online]. 2020, vol.37, n.1, pp.7-16. ISSN 1726-4634.