RT Journal Article SR Electronic T1 Salmeterol/fluticasone combination instead of indacaterol or vice-versa? JF European Respiratory Journal JO Eur Respir J FD European Respiratory Society SP 1188 OP 1189 DO 10.1183/09031936.00003715 VO 45 IS 4 A1 Andrea Rossi A1 Thys van der Molen A1 Ricardo del Olmo A1 Luis Wehbe YR 2015 UL http://erj.ersjournals.com/content/45/4/1188.abstract AB