1. Postmenopausal osteoporosis;Albright;JAMA,1941
2. Calcium pyrophosphate deposition in ligamentum flavum (letter);Ellman;Arthritis Rheum,1978
3. A case of nodular calcification of the ligamentum flavum with ossification of the posterior longitudinal ligament in the cervical spine;Fujiwara;No Shinkei Geka,1982
4. A case of cervical myelopathy due to calcification of the ligamentum flavum;Jyotoku;Rinsho Seikei Geka,1980
5. Cervical myelopathy due to ossification of ligamenta flava;Kamakura;Rinsho Shinkeigaku,1978