Progression of abnormalities in adrenomyeloneuropathy and neurologically asymptomatic X-linked adrenoleukodystrophy despite treatment with “Lorenzo's oil”. - van Geel,B.M.; Assies,J.; Haverkort,E.B.; Koelman,J.H.; Verbeeten,B.; Wanders,R.J. (J Neurol Neurosurg Psychiatry, 1999)