共 9 条
[1]
ADDO PB, 1976, THESIS AHMADU BELLO
[2]
CARTER GR, 1973, DIAGNOSTIC PROCEDURE, P110
[3]
COWAN ST, 1974, MANUAL INDENTIFICATI, P57
[4]
CRAIG JF, 1940, BRIT VET J, V96, P417
[6]
FRASER G, 1962, VET REC, V74, P753
[8]
KING EO, 1972, ROUND TABLE CURRENT
[9]
ROBERTS D. S., 1957, Australian Veterinary Journal, V33, P21, DOI 10.1111/j.1751-0813.1957.tb08261.x