1. Epidemiology of hepatitis B virus in an institution for mentally retarded persons;Madden;Am J Ment Defic,1976
2. The epidemiology of hepatitis B in a residential institution for the mentally retarded;Boughton;Aust New Zea J Med,1976
3. The epidemiology of serum hepatitis (SH) infections: a controlled study in two closed institutions;Szmuness;Am J Epidemiol,1971
4. Serial surveys for hepatitis B antigen in an institution for the mentally retarded: a detection of the antigen in saliva;Konno;J Exp Med,1973
5. Cytogenetic findings correlated with immune responses to hepatitis virus B of institutionalized Down’s syndrome individuals;Smith;Am J Ment Defic,1982