PT - JOURNAL ARTICLE AU - Cazzola, Mario AU - Page, Clive TI - An inhaled “bifunctional” dual PDE3/4 inhibitor provides additional short-term improvements in lung function compared to existing classes of bronchodilator: implications for future treatment of COPD AID - 10.1183/13993003.01675-2018 DP - 2018 Nov 01 TA - European Respiratory Journal PG - 1801675 VI - 52 IP - 5 4099 - http://erj.ersjournals.com/content/52/5/1801675.short 4100 - http://erj.ersjournals.com/content/52/5/1801675.full SO - Eur Respir J2018 Nov 01; 52