Differential patterns of in vitro IgM rh
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Graciela S. Alarcón; William J. Koopman; Ralph E. Schrohenloher
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Article
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1982
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John Wiley and Sons
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English
⚖ 578 KB
## Abstract The existence of a subpopulation of patients with rheumatoid arthritis (RA) who lack detectable rheumatoid factor (RF) is well documented. The cellular basis for nonexpression of RF in seronegative RA is not understood. In order to approach this problem, we compared mononuclear leukocyt