
Relapse in FEV1 Decline After Steroid Withdrawal in COPD
Keywords: AHR; airway hyperresponsiveness; CCQ; Clinical COPD Questionnaire; F6; 6-month treatment with fluticasone; F30; 30-month treatment with fluticasone; FS30; 30-month treatment with fluticasone and salmeterol; GL1; first part of the Groningen and Leiden Univ