title: Roentgenological changes in anteroporterior nasopharyngeal dimensions in 6 to 15 year olds.
authors: Departments of Odontologic Roentgenology and of Orthodontics, Odontologic Faculty, Karolinska institutet, Stockholm and Örebro County Orthodontic Clinc, Örebro.
authors: C O
authors: CO
authors: Henrikson
authors: S
authors: S
authors: Lindner-Aronson
authors: B
authors: B
authors: Westborg