共 32 条
[1]
Allcroft R., 1959, Veterinary Record, V71, P797
[2]
BENNETTS H. W., 1937, Australian Veterinary Journal, V13, P138, DOI 10.1111/j.1751-0813.1937.tb04108.x
[6]
BROCKMAN RP, 1977, CAN VET J, V18, P168
[7]
CHRISTENSEN DA, 1980, P W NUTR C U SASKATC, P144
[8]
Cochran W.G, 1957, STAT METHODS, V6th ed
[9]
Delhaize E., 1987, Copper in animals and man. Volume 1., P1
[10]
Evans HE, 1973, ANAT HISTOL EMBRYOL, V2, P11, DOI DOI 10.1111/J.1439-0264.1973.TB00253.X