共 22 条
[3]
EVELETH DF, 1949, AM J VET RES, V10, P250
[4]
Hart EB, 1916, J BIOL CHEM, V25, P239
[5]
Hart EB, 1924, J BIOL CHEM, V62, P315
[6]
HOSTETLER EH, 1935, TECH B NC AGR EXP ST, V52, P1
[8]
Kellerman J. H., 1943, ONDERSTEPOORT JOUR VET SCI AND ANIMAL INDUST, V18, P225