title: [Observations on sagittal diameter of cervical vertebral canal in adult Chinese].
mesh_terms: D000328:Adult; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D011859:Radiography; D013115:Spinal Canal / Q000033:anatomy & histology* / Q000000981:diagnostic imaging; D013122:Spinal Diseases / Q000000981:diagnostic imaging