An official website of the United States government
The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before
sharing sensitive information, make sure you’re on a federal
government site.
The site is secure.
The https:// ensures that you are connecting to the
official website and that any information you provide is encrypted
and transmitted securely.
Campero L, Walker D, Rouvier M, Atienzo E.Campero L, et al.Qual Health Res. 2010 Aug;20(8):1142-54. doi: 10.1177/1049732310369915. Epub 2010 May 6.Qual Health Res. 2010.PMID: 20448274
Villalobos-Hernández A, Campero L, Suárez-López L, Atienzo EE, Estrada F, De la Vara-Salazar E.Villalobos-Hernández A, et al. Among authors: atienzo ee.Salud Publica Mex. 2015 Mar-Apr;57(2):135-43.Salud Publica Mex. 2015.PMID: 26235774Spanish.
Campero L, Atienzo EE, Marín E, de la Vara-Salazar E, Pelcastre-Villafuerte B, González G.Campero L, et al. Among authors: atienzo ee.Salud Publica Mex. 2014 Sep-Oct;56(5):511-8.Salud Publica Mex. 2014.PMID: 25604296Spanish.