Beryllium
Beryllium Copper Alloy (2%) Causes Chronic Beryllium Disease. J. Occup. Environ. Med. 41(4): 304-8. Balmes JR, Abraham JL, Dweik RA, Fireman E, Fontenot AP, Maier LA, Muller-Quernheim J, Ostiguy G, Pepper LD, Saltini C, Schuler CR, Takaro TK, Wambach PF; ATS Ad Hoc Committee on Beryllium Sensitivity and Chronic Beryllium Disease.