共 10 条
[5]
HASTINGS DH, 1978, LANCET, V2, P1249
[7]
PEEL RN, 1978, LANCET, V2, P1212
[8]
PRESCOTT JF, 1978, CAN MED ASSOC J, V119, P1001
[10]
1980, VET REC, V107, P185