8Carballada R, Saling PM. 1997. Regulation of mouse epididymal epithelium in vitro by androgens, temperature and fibroblasts [ J ]. J Reprod Fertil, 110(1): 171 -181.
9Hardy MP, Zirkin BR, Ewing LL. 1989, Kinetic studies on the development of the adult population of Leydig ceils in testes of pubertal rat [ J]. Endocrinology, 124 : 762 - 770.
10Mendis-Handagama SMLC, Risbridger GP, de Kretser DM. 1987. Morphometrie analysis of the components of the neonatal and the adult rat testis interstitium[ J]. Int J Androl, 10:525 - 534.