J. Flores Morales, J. Ramírez-Mendoza, and M. H. Morales-García, “Usage profile and out-of-pocket health expenses of patients visiting a private medical office to receive dental care treatmens. Reforma, Chiapas, 2015”, HS, vol. 14, no. 2, pp. 47–52, Sep. 2015, doi: 10.19136/hs.a14n2.833.