本帖最后由 AslanHE 于 2012-8-14 21:33 编辑 , w' U4 c8 J; n; J) H8 o5 p# ` l9 K2 g7 o& z: R
CLAUS, R. (1990). "Physiological role of seminal components in the reproductive tract of the female pig." Journal of reproduction and fertility. Supplement(40): 117-131. V6 `) [0 }" t, R
发表于 2012-8-14 21:33
