Tiotropium add-on therapy is safe and reduces seasonal worsening in paediatric asthma patients

nork Vogelberg, Christian, Szefler, Stanley J., Vrijlandt, Elianne J.L.E., Boner, Attilio L., Engel, Michael, El Azzi, Georges, Vulcu, Sebastian Dan, Moroni-Zentgraf, Petra M., Eickmeier, Olaf, Hamelmann, Eckard H.
Argitaratua izan da Eur Respir J (2019)