1. Genetic heterogeneity and allelic variation in the mucopolysaccharidoses;McKusick, V.A.; Pyeritz, R.E.;Johns Hopkins MedJ,1980
2. Clinical and probable genetic heterogeneity within mucopolysaccharidosis 11. Report of a family with a mild form;Lichtenstein, JR, Bilbrey; GL, McKusick; V.A.;Johns Hopkins MedJ,1972
3. The systemic mucopolysaccharidoses;Spranger, J.;Ergeb Inn Med Kinderheilkd,1972
4. Clinical heterogeneity in mucopolysaccharidosis II: evidence for epistasis;Thurmon, T.F.; DeFraites, E.B.; Anderson, E.E.;Birth Defects,1974
5. Mild and severe Hunter syndrome (MPS II) within the same sibships;Yatziv, S.; Erickson, R.P.; Epstein, C.J.;Clin Genet,1977