Psychometric properties of the German version of the Leicester Cough Questionnaire in sarcoidosis. oleh 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