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Fusconi, M., Berti Ceroni, C., Monti, G. et al. Antikeratin antibodies (AKA) negativity in primary biliary cirrhosis (PBC): Confirmation of their specificity in the diagnosis of rheumatoid arthritis (RA). Clin Rheumatol 15, 617–618 (1996). https://doi.org/10.1007/BF02238555
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DOI: https://doi.org/10.1007/BF02238555