One-year safety and efficacy study of arformoterol tartrate in patients with moderate to severe COPD.
Donohue JF, Hanania NA, Make B, Miles MC, Mahler DA, Curry L, Tosiello R, Wheeler A, Tashkin DP. One-year safety and efficacy study of arformoterol tartrate in patients with moderate to severe COPD. Chest. 2014 Dec; 146(6):1531-1542.