title: A clinical and genetic study of Hunter's syndrome. 1. Heterogeneity.
mesh_terms: D000293:Adolescent; D000328:Adult; D002648:Child; D002675:Child, Preschool; D005260:Female; D008040:Genetic Linkage; D006801:Humans; D007223:Infant; D007360:Intelligence; D008297:Male; D016532:Mucopolysaccharidosis II / Q000145:classification / Q000235:genetics* / Q000523:psychology; D010375:Pedigree; D014960:X Chromosome