Oral Poliomyelitis Vaccination Program in Berks County,...

Oral Poliomyelitis Vaccination Program in Berks County, Pennsylvania

Charles R. Hayman, H. Barrett Bock, Craig Turnbull and George S. Pettis
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Volume:
80
Language:
english
Journal:
Public Health Reports (1896-1970)
DOI:
10.2307/4592439
Date:
May, 1965
File:
PDF, 472 KB
english, 1965
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