title: Vitamin D serum level and chronic obstructive lung disease.
authors.affiliation: Department of Anesthesiology and intensive care, Golestan University of Medical Sciences, Gorgan, Iran. ; Department of Anesthesiology and intensive care, Babol University of Medical Sciences, Babol, Iran.
authors.forename: Ali
authors.initials: A
authors.lastname: Jabbari
authors.forename: Shabnam
authors.initials: S
authors.lastname: Tabasi
authors.forename: Jila
authors.initials: J
authors.lastname: Masrour