Tiotropium versus Salmeterol for the Prevention of Exacerbations of COPD

Vogelmeier Claus, Hederer Bettina, Glaab Thomas, Schmidt Hendrik, Rutten-van Molken Maureen P M H, Beeh Kai M, Rabe Klaus F, Fabbri Leonardo M, Kollaborációs szervezet: POET-COPD Investigators, Somfay Attila, et al
2011

Roflumilast in moderate-to-severe chronic obstructive pulmonary disease treated with longacting bronchodilators two randomised clinical trials /

Fabbri Leonardo M, Calverley Peter M A, Luis Izquierdo-Alonso Jose, Bundschuh Daniela S, Brose Manja, Martinez Fernando J, Rabe Klaus F, Kollaborációs szervezet: M2-127 and M2-128 study groups, Bálint Beatrix, et al
2009