title: Ipratropium bromide is more effective than Salmeterol - Fluticason combination on O2 saturation patients with COPD.
authors.affiliation: Department of Pulmonary Disease, Tehran University of Medical Science, Tehran, Iran.
authors.forename: Nader
authors.initials: N
authors.lastname: Rezaie
authors.affiliation: Department of Pulmonary Disease, Tehran University of Medical Science, Tehran, Iran.
authors.forename: Narges Sadat
authors.initials: NS
authors.lastname: Shams-Hosseini
authors.affiliation: Department of Pulmonary Disease, Tehran University of Medical Science, Tehran, Iran.
authors.forename: Atefeh
authors.initials: A
authors.lastname: Kashanizadeh
authors.affiliation: Department of Pulmonary Disease, Tehran University of Medical Science, Tehran, Iran.
authors.forename: Mohammad Ali
authors.initials: MA
authors.lastname: Karimi