(Q43344549)
Statements
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Shifting seroepidemiology of hepatitis A in Japan, 1973-2003. (English)
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Tomoko Kiyohara
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Tomoko Sato
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Atsuko Totsuka
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Tatsuo Miyamura
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Toshihiro Ito
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Tetsuo Yoneyama
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1 January 2007
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Identifiers
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