Instability of the upper cervical spine. Skeletal Dysplasia Group.
D000293:Adolescent; D000328:Adult; D000368:Aged; D002574:Cervical Vertebrae / Q000000981:diagnostic imaging* / Q000473:pathology; D002648:Child; D002675:Child, Preschool; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008875:Middle Aged; D009085:Mucopolysaccharidosis IV / Q000473:pathology; D010009:Osteochondrodysplasias / Q000000981:diagnostic imaging* / Q000473:pathology; D011859:Radiography