TY - JOUR AU - Hamelmann, E; Bateman, E D; Vogelberg, C TI - Tiotropium add-on therapy in adolescents with moderate asthma: A 1-year randomized controlled trial JO - J Allergy Clin Immunol IS - 02 VL - 138 PY - 2016 DO - 10.1016/j.jaci.2016.01.011 L3 - PubMed-ID: 26960245 SP - 441 EP - 450.e8 N1 - , et al. ER -