[Epidemiology of diphyllobothriasis and epidemiological effectiveness of sanitation measures in a focus in the northern part of the Arkhangelsk region].
D004169:Diphyllobothriasis / Q000453:epidemiology*; D006801:Humans; D014586:USSR
Epidemiologiia difillobotrioza i épidemiologicheskaia éffektivnost' ozdorovitel'nykh meropriiatiĭ v ochage v severnoĭ chasti Arkhangel'skoĭ oblasti.