00356nas a2200145   4500000000100000000000100001008004100002100001400043700002000057700001300077245009100090300000800181490000700189022001400196       2021                            d1 aS. Suissa1 aS. Dell'Aniello1 aP. Ernst00aComparative Effectiveness of Initial LAMA versus LABA in COPD: Real-World Cohort Study  a1-80 v18  a1541-2563