(Q71346493)
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Influenza in the USSR: new antigenic variant A2-Hong Kong-1-68 and its possible precursors (English)
L. J. Zakstelskaja
N. A. Evstigneeva
V. A. Isachenko
S. P. Shenderovitch
1 November 1969
scientific article published on 01 November 1969
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