학술논문
Analysis of chronic obstructive pulmonary disease exacerbations with the dual bronchodilator QVA149 compared with glycopyrronium and tiotropium (SPARK): A randomised, double-blind, parallel-group study
Document Type
Article
Author
Source
In: The Lancet Respiratory Medicine . (The Lancet Respiratory Medicine, May 2013, 1(3):199-209)
Subject
Language
English
ISSN
22132600