Epidemiology of influenza and characteristic etiological factors in the 1990/91 season

Rudnicka, H.; Brydak, L.; Siennicka, J.

Przeglad Epidemiologiczny 46(4): 309-312

1992


ISSN/ISBN: 0033-2100
PMID: 1305780
Document Number: 404941

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