共 5 条
[1]
Bergstrom S., 1978, Methods in mammalian reproduction., P419
[3]
MAYER G., 1963, Techniques in endocrine research. Proc. Nato Advanced Stud. Inst., held at Stratford-upon. Avon, Eng. Ed. by P. Eckstein and F. Knowles., P245
[5]
NILSSON BO, 1984, ULTRASTRUCTURE REPRO, P260