共 21 条
[2]
BERNHEIM BM, 1911, ANN SURG, V13, P764
[3]
BETTERIDGE K. J., 1962, RES VET SCI, V3, P390
[4]
CARMICHAEL DE, 1971, FERTIL STERIL, V22, P69
[5]
DUKELOW WR, 1971, LAB ANIM SCI, V21, P594
[6]
DZUIK PJ, 1958, 222 U MINN AGR EXP S, P65
[7]
GOLDITCH IM, 1971, FERTIL STERIL, V22, P306
[8]
Jacobaeus HC, 1910, MUNCHEN MED WOCHEN, V57, P2090
[9]
Kelling Georg, 1902, MUNCHEN MED WOCHEN, V52, P21
[10]
Lamond D. R., 1965, Australian Veterinary Journal, V41, P324, DOI 10.1111/j.1751-0813.1965.tb01776.x