RT Journal Article SR Electronic T1 Biothesiometry in the diagnosis of lumbar disk protrusion JF Neurology JO Neurology FD Lippincott Williams & Wilkins SP 793 OP 793 DO 10.1212/WNL.8.10.793 VO 8 IS 10 A1 Steiness, Ib YR 1958 UL http://n.neurology.org/content/8/10/793.abstract AB