PERRIA, L [Lumbar hyperlordosis, first symptom of extramedullary spinal tumor]. [electronic resource] - Il Policlinico. Sezione pratica Sep 1954 - 1209-12 p. digital Publication Type: Journal Article ISSN: 0032-2644 Subjects--Topical Terms: HumansLordosis--etiologyNeoplasmsSpinal Cord NeoplasmsSpine