Authors: Guadalupe Aguilar-Madrid; Cuauhtémoc A Juárez-Pérez; Steven Markowitz; Mauricio Hernández-Avila; Francisco Raúl Sanchez Roman; Juan Humberto Vázquez Grameix Journal: Int J Occup Environ Health Date: 2003 Jul-Sep
Authors: Xue-lei Pan; Howard W Day; Wei Wang; Laurel A Beckett; Marc B Schenker Journal: Am J Respir Crit Care Med Date: 2005-06-23 Impact factor: 21.405