共 7 条
[1]
ANDERSON J P, 1968, British Journal of Diseases of the Chest, V62, P155, DOI 10.1016/S0007-0971(68)80007-5
[3]
EROOGA MA, 1969, SOME DISEASES ANIMAL
[4]
GRIST NR, 1972, BRIT MED J, V1, P378, DOI 10.1136/bmj.1.5796.378-b
[6]
1972, BRIT MEDICAL J, V1, P1
[7]
1971, BRIT MEDICAL J, V2, P539