(Q40135937)
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Seroepidemiological investigation of patients and family contacts in an epidemic of hepatitis A (English)
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G. G. Frösner
L. R. Overby
B. Flehmig
H. J. Gerth
H. Haas
R. H. Decker
C. M. Ling
A. J. Zuckerman
1 January 1977
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Identifiers
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