title: Sanfilippo syndrome type D.
mesh_terms: D002648:Child; D002675:Child, Preschool; D006801:Humans; D008297:Male; D009083:Mucopolysaccharidoses / Q000503:physiopathology*; D009084:Mucopolysaccharidosis III / Q000201:enzymology / Q000503:physiopathology*