3Semerjian G. The role of the national institute of standards and technology in U. S [ J ]. Technology pohcy,Statement of Health, 1993, 2(51) :13.
4Bolger PM, Yess N J, et al. Identification and reduction of sources of dietary lead in the United States [ J ]. Food-Addit - Contam. 1996 Jan; 13(1) : 53 -60.
5Byers PK, Lord EE. [J]. Am J Dis child, 1943; 66:471 - 494.
6Needleman HL, Gunnoe C, Leviton A, et al. Deiicits in psychological and classroom performance of children with elevated lead levels[J]. N - Engl - J - Med. 1979; 300(13) : 689 -695.
7Bellinger D, Leviton A, et al. Longitudinal analyses of prenatal and postnatal lead exposure and early congitive development[J]. N - Engl - J - Med. 1987 Apr; 316(17) : 1037 - 1043.
8Litvak PF, Graziano JH, et al. A prospective study of birth weight and length of Gestation in a population Surrounding a lead smelter in Kosovo, Yugoslavi [ J ]. Int J Epidemiol, 1991; 20(3) :722 -728.
9Shukla R, Dietrich KN, et al. Lead exposure and growth in the early preschool child: A follow - up report from the Cincinnati lead study[J]. Pediatrics,1991 ; 88(5) :886 - 893
10Ronis MJ, et al. Endocrine mechanisms underlying the growth effects of developmental lead exposure in the rat[J]. J Toxieol Environ Health, 1998; 54(2): 101-120.