TY - JOUR AU - Chapman, Kenneth R AU - Arvidsson, Peter AU - Chuchalin, AG AU - Dhillon, DP AU - Faurschou, Peter AU - Goldstein, Roger S AU - Kuipers, AF PY - 2002 DA - 1900/01/01 TI - The Addition of Salmeterol 50 µg Bid to Anticholinergenic Treatment in Patients with COPD: A Randomized Placebo Controlled Trial SP - 493296 VL - 9 AB - SN - 1198-2241 UR - https://doi.org/10.1155/2002/493296 DO - 10.1155/2002/493296 JF - Canadian Respiratory Journal PB - Pulsus Group Inc KW - ER -