scholarly journals Once daily long-acting beta2-agonists and long-acting muscarinic antagonists in a combined inhaler versus placebo for chronic obstructive pulmonary disease

Author(s):  
Usman Maqsood ◽  
David JW Evans ◽  
Terence N Ho ◽  
Karen Palmer ◽  
Fiona JR Eccles ◽  
...  
2000 ◽  
Vol 161 (4) ◽  
pp. 1136-1142 ◽  
Author(s):  
MICHAEL R. LITTNER ◽  
JONATHAN S. ILOWITE ◽  
DONALD P. TASHKIN ◽  
MITCHELL FRIEDMAN ◽  
CHARLES W. SERBY ◽  
...  

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