Epidemiologic study on the 1969-1970 influenza outbreak and the antigenic capacity of anti-influenza vaccine. I. Methodology of the epidemiological studies

Alvarez-Alva, R.

Gaceta Medica de Mexico 101(1): 21-26

1971


ISSN/ISBN: 0016-3813
PMID: 5554067
Document Number: 33677

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