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Sponsored AI AM CLAUDE, A Beginner's Guide: Learn the basics of working with AI AI AM CLAUDE, A Beginner's Guide: Learn the basics of working with AI

Author

Kazuko Yamamoto

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Open access Aug 2026

Smoking-associated IgG4-positive cell infiltration in rheumatoid arthritis lung: an exploratory cross-sectional study

Tissue IgG4-positive cell infiltration was observed only among male ever-smokers and was accompanied by a distinct BAL immune-cell profile without parallel peripheral-blood changes, and should be regarded as hypothesis-generating and require validation in larger prospective studies.

Y. Tsuji, Tomohiro Koga, Nana Nakada et al. · 0 citations

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