Fig. 5From: Erratum to: A randomised dose-ranging study of tiotropium Respimat® in children with symptomatic asthma despite inhaled corticosteroidsMorning and evening PEF response after 4 weeks of treatment (full analysis set). Adjusted for ‘treatment’, ‘period’, ‘patient’ and ‘baseline’. *p < 0.05 versus placebo Respimat®. PEF, peak expiratory flowBack to article page