共 16 条
[2]
BERNDTSON WE, 1980, AM J VET RES, V41, P640
[3]
CHANDLER JE, 1978, J AN SCI ABSTR
[4]
Coulter G. H., 1974, A.I. Digest, V22, P12
[6]
GIBSON CD, 1969, J REPROD FERTIL, V20, P155, DOI 10.1530/jrf.0.0200155
[8]
KELLY JW, 1963, AM J VET RES, V24, P136
[9]
MARSHALL C, 1976, 6TH P TECH C ART INS, P91