American Journal of Orthodontics and Dentofacial Orthopedics : Official Publication of the American Association of Orthodontists, Its Constituent Societies, and the American Board of Orthodontics|March 13, 1999
Zeitschrift Fur Kinderchirurgie : Organ Der Deutschen, Der Schweizerischen Und Der Osterreichischen Gesellschaft Fur Kinderchirurgie = Surgery in Infancy and Childhood|August 1, 1985
American Journal of Orthodontics and Dentofacial Orthopedics : Official Publication of the American Association of Orthodontists, Its Constituent Societies, and the American Board of Orthodontics|March 13, 1999
Zeitschrift Fur Kinderchirurgie : Organ Der Deutschen, Der Schweizerischen Und Der Osterreichischen Gesellschaft Fur Kinderchirurgie = Surgery in Infancy and Childhood|August 1, 1985