The simultaneous occurrence of rheumatoid arthritis and agammaglobulinemia.
D000361:Agammaglobulinemia; D001168:Arthritis; D001172:Arthritis, Rheumatoid / Q000097:blood*; D005719:gamma-Globulins / Q000172:deficiency*
D005719:gamma-Globulins
ARTHRITIS, RHEUMATOID/blood in; GAMMA GLOBULIN/deficiency