A  familial occurrence of a mucopolysaccharidosis: Hurler's or Hunter's syndrome?
D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D003937:Diagnosis, Differential; D004200:Diseases in Twins; D005260:Female; D005808:Genes, Recessive; D005817:Genetic Counseling; D006801:Humans; D008297:Male; D008423:Maternal Age; D008059:Mucopolysaccharidosis I / Q000175:diagnosis / Q000235:genetics*; D016532:Mucopolysaccharidosis II / Q000175:diagnosis / Q000235:genetics*; D010375:Pedigree; D012174:Retinitis Pigmentosa / Q000175:diagnosis / Q000235:genetics*