共 6 条
[1]
Milks HJ., 1908, LOUISIANA AGR EXPT S, V108, P1
[2]
MOORE VA, 1896, USDA AGR BUREAU ANIM, P1
[5]
Smith T, 1915, J MED RES, V33, P243
[6]
Smith T, 1895, US DEP AGR BUR ANIM, V8, P7