共 4 条
[1]
CRAGG BG, 1954, J ANAT, V88, P292
[2]
GANDAL CHARLES P., 1956, JOUR AMER VET MED ASSOC, V128, P332
[4]
WARREN D. C, 1935, POULTRY SCI, V14, P195, DOI 10.3382/ps.0140195