RT Journal Article SR Electronic T1 The dystonias. JF Journal of Medical Genetics JO J Med Genet FD BMJ Publishing Group Ltd SP 314 OP 318 DO 10.1136/jmg.35.4.314 VO 35 IS 4 A1 P R Jarman A1 T T Warner YR 1998 UL http://jmg.bmj.com/content/35/4/314.abstract AB