Vahidnia, A.; van der Voet, G.B.; de Wolff, F.A. (1 October 2007). "Arsenic neurotoxicity A review". Human & Experimental Toxicology. 26 (10): 823–832. doi:10.1177/0960327107084539. PMID18025055.
Hendryx M (January 2009). "Mortality from heart, respiratory, and kidney disease in coal mining areas of Appalachia". Int Arch Occup Environ Health. 82 (2): 243–9. doi:10.1007/s00420-008-0328-y. PMID18461350.
Vahidnia, A.; van der Voet, G.B.; de Wolff, F.A. (1 October 2007). "Arsenic neurotoxicity A review". Human & Experimental Toxicology. 26 (10): 823–832. doi:10.1177/0960327107084539. PMID18025055.
Hendryx M (January 2009). "Mortality from heart, respiratory, and kidney disease in coal mining areas of Appalachia". Int Arch Occup Environ Health. 82 (2): 243–9. doi:10.1007/s00420-008-0328-y. PMID18461350.