Sansores, R. H., Velázquez-Uncal, M., Pérez-Bautista, O., Villalba-Caloca, J., Falfán-Valencia, R., & Ramírez-Venegas, A. (2015). Prevalence of chronic obstructive pulmonary disease in asymptomatic smokers. Int J Chron Obstruct Pulmon Dis.

Sansores, Raúl H., Mónica Velázquez-Uncal, Oliver Pérez-Bautista, Jaime Villalba-Caloca, Ramcés Falfán-Valencia, och Alejandra Ramírez-Venegas. "Prevalence of Chronic Obstructive Pulmonary Disease in Asymptomatic Smokers." Int J Chron Obstruct Pulmon Dis 2015.

Sansores, Raúl H., et al. "Prevalence of Chronic Obstructive Pulmonary Disease in Asymptomatic Smokers." Int J Chron Obstruct Pulmon Dis 2015.