Monday, December 1, 2008 - 5:35PM EST

Other Countries

Sweden

Name of AuthorInstitutional Affiliation
Dahlqvist JDepartments of Respiratory Medicine, University Hospital. Umea. Sweden.
Franklin KADepartments of Respiratory Medicine, University Hospital. Umea. Sweden.
Marklund MDepartment of Orthodontics, Umea University, Umea, Sweden. Marie.Marklund@odont.umu.se