[Role of parenteral procedures in epidemic hepatitis morbidity in school children].
D002648:Child; D006509:Hepatitis B / Q000453:epidemiology*; D006801:Humans; D012189:Retrospective Studies; D014586:USSR
Rol' parenteral'nykh manipuliatsii v zabolevaemosti epidemicheskim gepatitom shkol'nikov.