1. Changes in the human face brought about by development;Hellman;Int J Orthod,1927
2. A new x-ray technique and its application to orthodontia;Broadbent;Angle Orthod,1931
3. A longitudinal evaluation of the Burlington Growth Centre Data;Thompson;J Dent Res [Special Issue C],1977
4. Longitudinal changes in the adult facial profile;Formby;Am J Orthod Dentofacial Orthop,1994
5. Facial and dental changes in adulthood;Bishara;Am J Orthod Dentofacial Orthop,1994