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IFA（英语：Institute for Occupational Safety and Health） Record of CAS RN 626-38-0 in the GESTIS Substance Database from the IFA（英语：Institute for Occupational Safety
IFA（英语：Institute for Occupational Safety and Health）. Record of Chlormethan in the GESTIS Substance Database from the IFA（英语：Institute for Occupational Safety
IFA（英语：Institute for Occupational Safety and Health） Record of iso-Butylbenzol in the GESTIS Substance Database from the IFA（英语：Institute for Occupational Safety
IFA（英语：Institute for Occupational Safety and Health） Record of Dibenzo(a,h)pyren in the GESTIS Substance Database from the IFA（英语：Institute for Occupational
職業流行病學
National Institute for Occupational Safety and Health. Occupational Epidemiology and the National Institute for Occupational Safety and Health （页面存档备份，存于互联网档案馆）