[So-called calcification of the posterior longitudinal ligament].
D000328:Adult; D000367:Age Factors; D000368:Aged; D002574:Cervical Vertebrae; D006801:Humans; D008023:Ligaments, Articular; D008297:Male; D008875:Middle Aged; D009999:Ossification, Heterotopic / Q000209:etiology; D012737:Sex Factors