(Q47996092)
Statements
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Self-administration and standardisation of the chronic respiratory questionnaire: a randomised trial in three German-speaking countries (English)
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Gordon H Guyatt
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Holger J Schünemann
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Milo A Puhan
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Michaela Behnke
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Marco Laschke
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Alfred Lichtenschopf
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Otto Brändli
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1 April 2004
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98
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4
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342-350
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Identifiers
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