1. Low arylsulphatase A activity in a family without metachromatic leukodystrophy;Butterworth;Clin. Genet.,1978
2. Absence of hexosaminidase A and B in a normal adult;Dreyfus;New Engl. J. Med.,1975
3. Neuropathy in mucopolysaccharidosis type 3;Fowler;Electromyogr. clin. Neurophysiol.,1974
4. Moglichkeit von Serum Heterozygorentests bei genetischen Mucopolysaccharidosen;Gehler;Mschr. Kinderheilk.,1974
5. Defective heparan sulfate metabolism in the Sanfilippo Syndrome and assay of the defect in the assessment of the mucopolysaccharidosis patient;Gordon;Clin. Bio-chem.,1975