R. Vargas-Fernández, “Methodological considerations on the article «Use of complementary and alternative medicine therapies in the Coronel Portillo province, Ucayali, Peru»”, Rev Peru Med Exp Salud Publica, vol. 38, no. 1, pp. 188–9, Feb. 2021, doi: 10.17843/rpmesp.2021.381.6587.