(Q50619828)
Statements
Impact of measurement and feedback on vaccination coverage in public clinics, 1988-1994. (English)
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E Maes
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C W LeBaron
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M Chaney
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A L Baughman
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E F Dini
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V Dietz
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R Bernier
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1 February 1997
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277
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8
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631-635
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