Wilson's Disease:Evidence of Subgroups Derived from Clinical Findings and Brain Lesions
Neurol 43:120-124, Oder,W.,et al, 1993
Wilson's Disease:The Problem of Delayed Diagnosis
JNNP 55:692-696, Walshe,J.M.&Yealland,M., 1992
The Dystonias
BMJ 300:139-144, Marsden,C.D.&Quinn,N.P., 1990