1966 Volume 21 Issue 4 Pages 343-346
As for the cervical vetebra radiography, frontal and lateral roentgenographies, or the first and second oblique roentgenographies have been applies. Many research workers at home and abroad have various methods on the oblique roentgenography to observe the foramen intervertebrale. However, each of these methods has its merits and demerits. The authors examined these methods and obtained good results, which were reported here.