Document forced expiratory volume in 1 second (FEV1) less than or equal to 60% predicted tested in patients with:\r\n* A prolonged history of cigarette smoking (20 pack [pk]/year of smoking within the past 2 years).\r\n* Symptoms of respiratory dysfunction Documented forced expiratory volume in 1 second (FEV1) less than or equal to 60% predicted tested in patients with:\r\n* A prolonged history of cigarette smoking (20 packs [pk]/year of smoking within the past 2 years)\r\n* Symptoms of respiratory dysfunction Documented forced expiratory volume in 1 second (FEV1) less than or equal to 60% predicted tested in patients with:\r\n* A prolonged history of cigarette smoking (20 pack [pk]/year of smoking within the past 2 years)\r\n* Symptoms of respiratory dysfunction Documented forced expiratory volume in one second (FEV1) =< 50% predicted tested in patients with:\r\n* A prolonged history of cigarette smoking (approximately 20 packs/year within the past 2 years).\r\n* Symptoms of respiratory dysfunction Documented forced expiratory volume-one second (FEV1) less than or equal to 50% predicted tested in patients with:\r\n* A prolonged history of cigarette smoking (approximately 20 packs/year within the past two years)\r\n* Symptoms of respiratory dysfunction Documented forced expiratory volume in 1 second (FEV1) less than or equal to 50% predicted tested in patients with:\r\n* A prolonged history of cigarette smoking (20 packs [pk]/year of smoking within the past 2 years)\r\n* Symptoms of respiratory dysfunction Documented forced expiratory volume in 1 second (FEV1) =< 60% predicted tested in patients with:\r\n* A prolonged history of cigarette smoking (approximately 20 packs/year within the past 2 years)\r\n* Symptoms of respiratory dysfunction Pulmonary function testing in patients with:\r\n* A prolonged history of cigarette smoking (20 pk/yr of smoking within the past two years)\r\n* Symptoms of respiratory dysfunction Documented forced expiratory volume in 1 second (FEV1) less than or equal to 60% predicted tested in patients with:\r\n* A prolonged history of cigarette smoking (20 packs (pk)/year of smoking within the past 2 years)\r\n* Symptoms of respiratory dysfunction Documented forced expiratory volume in 1 second (FEV1) less than or equal to 60% predicted tested in patients with:\r\n* A prolonged history of cigarette smoking (20 pack [pk]/year of smoking within the past 2 years)\r\n* Symptoms of respiratory dysfunction Documented forced expiratory volume in 1 second (FEV1) less than or equal to 60% predicted tested in patients with:\r\n* A prolonged history of cigarette smoking (20 pack [pk]/year of smoking within the past 2 years)\r\n* Symptoms of respiratory dysfunction Documented forced expiratory volume 1 (FEV1) less than or equal to 60% predicted tested in patients with:\r\n* A prolonged history of cigarette smoking (20 pack [pk]/year of smoking within the past 2 years)\r\n* Symptoms of respiratory dysfunction Documented forced expiratory volume in 1 second (FEV1) =< 60% predicted tested in patients with:\r\n* A prolonged history of cigarette smoking (>= 20 pack-year smoking history with cessation within the past two years)\r\n* Symptoms of respiratory dysfunction Documented forced expiratory volume in 1 second (FEV1) less than or equal to 60% predicted tested in patients with:\r\n* A prolonged history of cigarette smoking (20 packs [pk]/year of smoking within the past 2 years).\r\n* Symptoms of respiratory dysfunction