(Q46204377)
Statements
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Computer-generated recall letters for underimmunized children: how cost-effective? (English)
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Lieu TA
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Black SB
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Ray P
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Schwalbe JA
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Lewis EM
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Lavetter A
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Morozumi PA
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Shinefield HR
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1 January 1997
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16
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1
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28-33
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