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.
Angeles-Llerenas A, Ortega-Olvera C, Pérez-Rodríguez E, Esparza-Cano JP, Lazcano-Ponce E, Romieu I, Torres-Mejía G.Angeles-Llerenas A, et al.Cancer Causes Control. 2010 Apr;21(4):577-86. doi: 10.1007/s10552-009-9487-8. Epub 2010 Jan 19.Cancer Causes Control. 2010.PMID: 20084545
López-Ríos O, Lazcano-Ponce EC, Tovar-Guzmán V, Hernández-Avila M.López-Ríos O, et al.Salud Publica Mex. 1997 Jul-Aug;39(4):259-65.Salud Publica Mex. 1997.PMID: 9381248Spanish.
Salazar-Martinez E, Lazcano-Ponce EC, Gonzalez Lira-Lira G, Escudero-De los Rios P, Salmeron-Castro J, Hernandez-Avila M.Salazar-Martinez E, et al.Cancer Res. 1999 Aug 1;59(15):3658-62.Cancer Res. 1999.PMID: 10446978