The Albert H. Ketcham Memorial Award. Presentation to George W. Hahn and Cecil C. Steiner by Richard M. Railsback, president of the American Board of Orthodontics.
作者信息
Railsback R M
出版信息
Am J Orthod. 1968 Sep;54(9):691-6. doi: 10.1016/0002-9416(68)90021-3.