RT Journal Article SR Electronic T1 Torsion dystonia and spasmodic torticollis—results of treatment with L‐dopa JF Neurology JO Neurology FD Lippincott Williams & Wilkins SP 107 OP 113 DO 10.1212/WNL.20.11_Part_2.107 VO 20 IS 11 Part 2 A1 Robert E. Barrett A1 Melvin D. Yahr A1 Roger C. Duvoisin YR 1970 UL http://n.neurology.org/content/20/11_Part_2/107.abstract AB