Editorial: Missed foramen-magnum tumours.
D000690:Amyotrophic Lateral Sclerosis / Q000175:diagnosis; D003937:Diagnosis, Differential; D005539:Foramen Magnum; D006225:Hand / Q000294:innervation; D006801:Humans; D009103:Multiple Sclerosis / Q000175:diagnosis; D009132:Muscles / Q000294:innervation; D009192:Myelography; D010243:Paralysis / Q000209:etiology; D012888:Skull Neoplasms / Q000175:diagnosis; D013120:Spinal Cord Neoplasms / Q000150:complications / Q000175:diagnosis* / Q000000981:diagnostic imaging