[Incidence of rheumatism among students of Leningrad & sanitary-hygienic evaluation of their living conditions].
D006798:Housing; D006801:Humans; D015994:Incidence; D012216:Rheumatic Diseases; D012214:Rheumatic Heart Disease / Q000453:epidemiology*; D012924:Social Conditions; D013334:Students
HOUSING; RHEUMATIC HEART DISEASE/epidemiology
Rasprostranenie revmatizma sredi shkol'nikov Leningrada i sanitarno-gigienicheskaia otsenka ikh zhilishchnobytovykh uslovii.