(Q30493246)
Statements
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Cluster randomised controlled trial of expert system based on the transtheoretical ("stages of change") model for smoking prevention and cessation in schools (English)
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P Aveyard
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K K Cheng
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J Almond
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E Sherratt
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R Lancashire
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T Lawrence
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C Griffin
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O Evans
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1 October 1999
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7215
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948-953
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Identifiers
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