Letter: Absence of ASA activity in healthy father of a patient with metachromatic leukodystrophy.
D000328:Adult; D001192:Arylsulfatases / Q000097:blood / Q000172:deficiency*; D002675:Child, Preschool; D005260:Female; D006579:Heterozygote; D006801:Humans; D007223:Infant; D007966:Leukodystrophy, Metachromatic / Q000175:diagnosis / Q000201:enzymology / Q000235:genetics*; D008297:Male; D008875:Middle Aged; D010375:Pedigree; D011296:Prenatal Diagnosis; D013429:Sulfatases / Q000172:deficiency*
D013429:Sulfatases; D001192:Arylsulfatases