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Villalobos A, Unikel C, Hernández-Serrato MI, Bojórquez I.Villalobos A, et al. Among authors: bojorquez i.Salud Publica Mex. 2020 Nov-Dec;62(6):734-744. doi: 10.21149/11545.Salud Publica Mex. 2020.PMID: 33620970Spanish.