[Problem of echinococcosis and alveolar hydatid disease in the RSFSR].
D004443:Echinococcosis / Q000453:epidemiology* / Q000517:prevention & control; D006801:Humans; D008403:Mass Screening / Q000379:methods; D012306:Risk; D012424:Rural Population; D012426:Russia
Problema ékhinokokkoza i al'veokokkoza v RSFSR.