TY - JOUR KW - Antigen-Antibody Reactions KW - Arthritis, Rheumatoid KW - Complement Fixation Tests KW - Granulation Tissue KW - History, 20th Century KW - Humans KW - Immunoglobulins KW - leprosy KW - Rheumatoid Factor KW - Tuberculosis AU - WAALER E BT - Nordisk medicin C1 - http://www.ncbi.nlm.nih.gov/pubmed/4921014?dopt=Abstract DA - 1970 Oct 29 IS - 44 J2 - Nord Med LA - nor PY - 1970 SP - 1385 EP - 9 T2 - Nordisk medicin TI - [Rheumatoid factor in the 1930s and today]. VL - 83 SN - 0029-1420 ER -