[Experience in preventing rheumatism and controlling focal infections in Leningrad industrial plants].
D006801:Humans; D009787:Occupational Medicine; D010038:Otorhinolaryngologic Diseases / Q000517:prevention & control*; D012214:Rheumatic Heart Disease / Q000517:prevention & control*
Opyt profilaktiki revmatizma i bor'by ochagovoĭ infektsieĭ na promyshlennykh predpriiatiiakh Leningrade.