title: Increased urinary biopyrrins in patients with asthma.
authors.affiliation: Department of Infection, Allergy, Clinical Immunology and Laboratory Medicine, Akita University, Graduate School of Medicine, Akita, Japan. chihara@hos.akita-u.ac.jp
authors.forename: W
authors.initials: W
authors.lastname: Ito
authors.forename: T
authors.initials: T
authors.lastname: Tanigai
authors.forename: S
authors.initials: S
authors.lastname: Ueki
authors.forename: H
authors.initials: H
authors.lastname: Kayaba
authors.forename: J
authors.initials: J
authors.lastname: Chihara