Psychometric properties of the German version of the Leicester Cough Questionnaire in sarcoidosis. by Jonas Christian Schupp, Urs Alexander Fichtner, Björn Christian Frye, Katja Heyduck-Weides, Surinder S Birring, Wolfram Windisch, Carl-Peter Criée, Joachim Müller-Quernheim, Erik Farin

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