(Q39337857)
Statements
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Developing gap in immunity to poliomyelitis in an urban area (English)
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Developing Gap in Immunity to Poliomyelitis in an Urban Area (English)
J. L. Melnick
M. Burkhardt
L. H. Taber
1 August 1969
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209
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8
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1181-1185
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Identifiers
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