Concerning the nature of the factor in rheumatoid-arthritis serum responsible for increased agglutination of sensitized sheep erythrocytes.
D000371:Agglutination; D000818:Animals; D001168:Arthritis; D001172:Arthritis, Rheumatoid; D004912:Erythrocytes; D012756:Sheep; D034561:Sheep, Domestic
ARTHRITIS, RHEUMATOID