JEHAN, N.; AHMAD, I. Occupational exposure to crystalline silica (quartz) and prevalence of lung diseases in Dhand Killi, Mohmand Agency, northern Pakistan. Journal of Himalayan Earth Sciences, [S. l.], v. 38, n. 1, p. 157-161, 2005. Disponível em: http://ojs.uop.edu.pk/jhes/article/view/1601. Acesso em: 1 jan. 2025.