3Ghasemi N, Babaei H, AzizaUahi S, et al. Effect of long-term administration of zinc after scrotal heating on mice spermatozoa and subsequent offspring quality[J]. Andrologia, 2009, 41 (4) : 222-228.
4Sakamoto H, Saito K, Shichizyo T, et aL Color Doppler ultrasonog- raphy as a routine clinical examination in male infertility[J]. lnternation J Urol, 2006, 13 (8) : 1073-1078.