共 10 条
[1]
ALMQUIST J. O., 1956, Plenary Pap. 3rd int. Congr. Anim. Reprod., P50
[2]
HOLT AF, 1953, VET REC, V65, P561
[3]
KINNEY WC, 1954, J DAIRY SCI, V37, P650
[4]
MacPHERSON J. W., 1955, CANADIAN JOUR COMP MED AND VET SCI, V19, P287
[5]
MADDEN DHL, 1956, 3 P INT C AN REPR CA, P33
[7]
POORE ME, 1955, J DAIRY SCI, V38, P623
[8]
VANDEMARK NL, 1957, ILLINOIS AGR EXPT ST, V621
[10]
[No title captured]