共 9 条
[6]
ROBAIRE B, 1981, BIOREGULATORS REPROD
[7]
SHERINS RJ, 1978, CAMPBELLS TXB UROLOG, V1, P715
[8]
VALERIO DA, 1970, LAB ANIM CARE, V20, P734
[9]
WINER BJ, 1962, STATISTICAL PRINCIPL, P399