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

Tekijä 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.
Julkaisussa Eur Respir J (2019)