title: Bronchitis and asthma in the setting of vitamin D deficiency.
authors.affiliation: Malteser Lungen- und Allergiezentrum Bonn, Weberstraße 118, 53113 Bonn, Deutschland.
authors.forename: Joachim
authors.initials: J
authors.lastname: Sennekamp
keywords: Vitamin D3; asthma; bronchitis; chronic obstructive pulmonary disease