共 10 条
[2]
ISOLATION AND CLASSIFICATION OF TERN VIRUS - INFLUENZA VIRUS A/TERN/SOUTH AFRICA/1961
[J].
JOURNAL OF HYGIENE-CAMBRIDGE,
1966, 64 (03)
:309-&
[6]
HANSON RP, 1972, DISEASES POULTRY
[9]
WINKLER WG, 1972, WHO B, V47, P507
[10]
1971, NATIONAL ACAD SCI ME