共 10 条
[6]
HADLEY PB, 1914, 159 RHOD ISL AGR EXP
[7]
Heddleston K. L., 1972, Diseases of poultry,, P219
[9]
SINHA S. K., 1957, CORNELL VET, V47, P281
[10]
STEEL RGD, 1960, PRINCIPLES PROCEDURE, pCH19