title: The serum hepatitis virus specific antigen (SH): a preliminary report of epidemiologic studies in an institution for the mentally retarded.
mesh_terms: D000293:Adolescent; D000328:Adult; D000941:Antigens / Q000032:analysis*; D002353:Carrier State / Q000453:epidemiology / Q000276:immunology; D002648:Child; D002675:Child, Preschool; D002908:Chronic Disease; D004314:Down Syndrome; D005260:Female; D006506:Hepatitis A / Q000276:immunology*; D006515:Hepatitis B virus / Q000276:immunology*; D006778:Hospitals, Psychiatric; D006801:Humans; D008607:Intellectual Disability; D008297:Male; D009519:New York City; D013997:Time Factors
chemical_list: D000941:Antigens