Duration of spermatogenesis and spermatozoan transport in the rabbit based on cytological changes, DNA synthesis and labeling with tritiated thymidine7 ?/ a" N# z/ m, n, t; W2 c
来自网页 9 P, J+ z# p! B: u- z/ O7 Ehttp://onlinelibrary.wiley.com/d ... for+IT+maintenance. : I4 H# N( A' ~& p) j# j* z$ g # H( q+ F- }5 x8 r$ }) Q* v( f! N# Y谢谢。