[On long serologic observation of healthy blood relatives of patients with rheumatoid arthritis].
D000372:Agglutination Tests; D000989:Antistreptolysin / Q000097:blood; D001172:Arthritis, Rheumatoid / Q000097:blood*; D001799:Blood Sedimentation; D005500:Follow-Up Studies; D005826:Genetics, Medical; D005916:Globulins / Q000032:analysis; D006801:Humans; D007841:Latex Fixation Tests; D008722:Methods; D012217:Rheumatoid Factor / Q000097:blood; D012829:Silicosis / Q000097:blood; D012830:Silicotuberculosis / Q000097:blood
D005916:Globulins; D000989:Antistreptolysin; D012217:Rheumatoid Factor
Zur langjährigen serologischen Beobachtung gesunder Blutsverwandter von Kranken mit rheumatoider Arthritis.