1. Advantages and limitations of the 0.3 mm. focal spot tube for magnification and other technics;Abel;Radiology,1956
2. Moderately severe whiplash injuries of the cervical spine and their radiologic diagnosis;Abel;Clin. Orthop.,1958
3. Moderately severe whiplash injuries of the cervical vertebrae and their radiologic diagnosis;Abel,1957
4. Report on process of reconstruction of minerals in new bone;Amprino;Ztschr. J. Zellforsch. u. Mikr. Anat.,1952
5. X-ray absorption and diffraction by bone tissue;Amprino;Acta anat.,1952