2Meeker JD, Ehrlich S, Toth TL,et al. Semen quality andsperm DNA damage in relation to urinary bisphenol A a-mong men from an infertility clinic [ J ]. Reprod Toxicol,2010,30(4) :532-539.
3Eisenberg ML,Lathi RB,Baker VL,et al. Frequency of themale infertility evaluation data from the national survey offamily growth[ J]. J Urol,2013,189(3) : 1030-1034.
5Kiziler AR,Aydemir B,Onaran I,et al. High levels of cad-mium and lead in seminal fluid and blood of smoking menare associated with high oxidative stress and damage in in-fertile subjects [ J ] . Biol Trace Elem Res, 2007,120 ( 1/2/3) :82-91.
6Dieudonne 0, Godin PA, Van-Langendonckt A,et al. Bio-chemical analysis of the sperm and infertility [ J ]. ClinChem Lab Med,2001,39(5) :455457.
8Ozgur K, Isikoglu M, Seleker M,et al. Semen quality ofsmoking and non-smoking men in infertile couples in aTurkish population [ J ]. Arch Gynecol Obstet, 2005 , 271(2):109-112.
10Colagar AH, Marzony ET, Chaichi MJ. Zinc levels in semi-nal plasma are associated with sperm quality in fertile andinfertile men[ J]. Nutr Res,2009,29(2) :82-88.
3Du Plessis S S, Cabler S, McAlister D A, et al. The effect of obesity on sperm disorders and male infertility [ J l- Nat Rev Urol,2010,7 (3) :153-161.
4Sofikitis N, Miyagawa I, Dimitriadis D, et al. Effects of smoking on testicular function, semen quality and sperm fertilizing capacity [J]. J Urol, 1995, 154 3 : 1030-1034.
5Buehet W M,Lewis-Jones D I. Fructose concentration m seminal plasma from men with nonnbstructive azoosper- mia [J]. Arch Androl, 2002,48 ( 1 ) : 23-27.