RT Journal Article SR Electronic T1 Abstracts: Polyabthritis in Rats; A Serological Test; Researches on the Streptooocci, etc JF Annals of the Rheumatic Diseases JO Ann Rheum Dis FD BMJ Publishing Group Ltd and European League Against Rheumatism SP 141 OP 149 DO 10.1136/ard.1.2.141 VO 1 IS 2 YR 1939 UL http://ard.bmj.com/content/1/2/141.abstract AB