共 26 条
[1]
AAMDAL JOHN, 1957, JOUR AMER VET MED ASSOC, V131, P59
[2]
BRONE E, 1966, WLD REV ANIM PROD, V11, P78
[4]
DU MESNIL DU BUISSON F., 1956, Papers. 3rd Internat. Congr. Anim. Reprod., P62
[5]
DUBUISSON FDM, 1961, 4 P INT C AN REPR HA, V4, P822
[7]
Hancock J. L., 1957, Journal of the Royal Microscopical Society (3), V76, P84
[8]
HESS E. A., 1957, Ohio Farm and Home Research, V42, P100
[9]
HESS EA, AN BREED ABSTR, V27
[10]
ITO S, 1948, 55 CHIB ZOOT EXP STN, P1