共 32 条
[2]
BAKER JR, 1958, PRINCIPLES BIOLOGICA, P116
[3]
BLOOM W, 1962, TEXTBOOK HISTOLOGY, P87
[4]
BRADY D. E., 1937, PROC AMER SOC ANIMAL PRODUCT, V30, P246
[6]
COVER S, 1960, 947 TEX AGR EXPT STA
[8]
HERRING HK, 1966, J ANIM SCI, V25, P884