TY - GEN AU - Riedel,E AU - Biedermann,F TI - [X-ray diagnosis of occipitocervical malformations. III. Atlas and axis malformations, segmentation disorders of the upper cervical spine] SN - 0033-8354 PY - 1988///1116 KW - Axis, Cervical Vertebra KW - abnormalities KW - Cervical Atlas KW - Humans KW - Radiography N1 - Publication Type: Journal Article; Review ER -