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Abstract The frequency of HL‐A antigens found in a group of patients with rheumatoid arthritis (RA) was compared with that found in a nonarthritic “normal” population. An attempt was also made to quantitate the relative amounts of HL‐A antigens on lymphocytes of patients with RA as compared to control subjects' lymphocytes using three different HL‐A antisera. No difference was found between controls and patients with RA either in antigen frequency or quantity of the HL‐A antigens on the lymphocytes.
Lies et al. (Fri,) studied this question.