OBSERVATIONS ON RHEUMATOLOGY IN THE U.S.S.R.
D001168:Arthritis; D001172:Arthritis, Rheumatoid; D006801:Humans; D007391:International Cooperation; D012106:Research; D012216:Rheumatic Diseases; D012213:Rheumatic Fever; D012219:Rheumatology; D014586:USSR; D014481:United States
ARTHRITIS, RHEUMATOID; INTERNATIONAL COOPERATION; RESEARCH; RHEUMATIC FEVER; RHEUMATISM; USSR