1. Osteoarthrosis of the knee;Ahlback;Acta radiol. Suppl.,1968
2. An instrument for insertion of bone markers;Aronson;Radiology,1974
3. Determination of the movements of impacted upper canines by X-ray photogrammetric methods;Berghagen;Acta odont. scand.,1964
4. Facial growth in Man, studied with the aid of metallic implants;Bjork;Acta odont. scand.,1954