Diagnostic criteria of basilar impression.
D001269:Atlanto-Occipital Joint / Q000000981:diagnostic imaging*; D006801:Humans; D009777:Occipital Bone / Q000002:abnormalities*; D010985:Platybasia; D011859:Radiography
ATLANTO-OCCIPITAL JOINT/radiography; OCCIPITAL BONE/abnormalities