title: [Long-term observations on the level of collective immunity against infectious hepatitis after preventive use of gamma globulin].
mesh_terms: D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D006506:Hepatitis A / Q000276:immunology / Q000517:prevention & control*; D006801:Humans; D007114:Immunization; D013997:Time Factors; D014586:USSR; D005719:gamma-Globulins / Q000627:therapeutic use*
chemical_list: D005719:gamma-Globulins
vernacular_title: Dlitel'nye nabliudeniia za urovnem kollektivnogo immuniteta protiv infektsionnogo gepatita pri provedenii profilaktiki gamma-globulinom.