Self-administration and standardisation of the chronic respiratory questionnaire: a randomised trial in three German-speaking countries
Puhan, Milo A, Behnke, Michaela, Laschke, Marco, Lichtenschopf, Alfred, Brändli, Otto, Guyatt, Gordon H, Schünemann, Holger J
Published in Respiratory medicine (01.04.2004)
Published in Respiratory medicine (01.04.2004)
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