Riedel, E [X-ray diagnosis of occipitocervical malformations. III. Atlas and axis malformations, segmentation disorders of the upper cervical spine]. [electronic resource] - Radiologia diagnostica 1988 - 581-93 p. digital Publication Type: Journal Article; Review ISSN: 0033-8354 Subjects--Topical Terms: Axis, Cervical Vertebra--abnormalitiesCervical Atlas--abnormalitiesHumansRadiography