(Q47753451)
Statements
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Canadian-French, German and UK versions of the Child Health Questionnaire: methodology and preliminary item scaling results (English)
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J M Landgraf
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E Maunsell
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K N Speechley
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M Bullinger
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S Campbell
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L Abetz
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J E Ware
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1 July 1998
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7
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5
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433-445
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