h-d antigen was demonstrated in 38 % of random cancer sera , 25 % of lymphoma or leukemia sera , 25 % of leprosy sera , 8 % of infectious mononucleosis sera , 6 % of rheumatoid arthritis sera , and 27 % of synovial fluids of rheumatoid arthritis patients .
C0006826
cancer
C0023418
sera