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Campero L, Kendall T, Caballero M, Mena AL, Herrera C.Campero L, et al.Salud Publica Mex. 2010 Jan-Feb;52(1):61-9. doi: 10.1590/s0036-36342010000100010.Salud Publica Mex. 2010.PMID: 20464255Spanish.
Campero L, Atienzo EE, Marín E, de la Vara-Salazar E, Pelcastre-Villafuerte B, González G.Campero L, et al.Salud Publica Mex. 2014 Sep-Oct;56(5):511-8.Salud Publica Mex. 2014.PMID: 25604296Spanish.
Villalobos-Hernández A, Campero L, Suárez-López L, Atienzo EE, Estrada F, De la Vara-Salazar E.Villalobos-Hernández A, et al. Among authors: campero l.Salud Publica Mex. 2015 Mar-Apr;57(2):135-43.Salud Publica Mex. 2015.PMID: 26235774Spanish.