4Alguacil J, Porta M, Benavides FG. Occupation and pancreatic cancer in Spain:a case-control study based on job titles[J]. Inter J Epidemiol,2000,29:l 004-1 013.
5Irene F, Talamanca A, Petrelli G. Reduction in mle births among workers exposed to metal fumes[J]. Inter J of Epidemiol, 2000,29:381.
6Currie ACL, Monk BE. Welding and non-melanoma skin cancer[J]. Clin Exper Dermatol, 2000,25 : 28-29.
7Pascal GU, Laforest L. Occupational risk factors,ultraviolet radiation,and ocular melanoma:a case-control study in France[J]. Cancer Cause Control,2001,12:451-459.