Tiotropium bromide as adjunct therapy in children with asthma: a clinical experience. - Ridha, Zainab; Bédard, Marc-Antoine; Smyrnova, Anna; Drouin, Olivier; Pruteanu, Aniela; Essouri, Sandrine; Ducharme, Francine M. (Allergy, Asthma & Clinical Immunology, 2021)