AUTHOR=Okazaki Ayana , Matsuda Shogo , Kotani Takuya , Fukui Keisuke , Gon Takaho , Watanabe Ryu , Manabe Atsushi , Shoji Mikihito , Kadoba Keiichiro , Hiwa Ryosuke , Yamamoto Wataru , Hashimoto Motomu , Takeuchi Tohru TITLE=Identification of novel clinical subtypes in patients with microscopic polyangiitis using cluster analysis: multicenter REVEAL cohort study JOURNAL=Frontiers in Immunology VOLUME=15 YEAR=2025 URL=https://www.frontiersin.org/journals/immunology/articles/10.3389/fimmu.2024.1450153 DOI=10.3389/fimmu.2024.1450153 ISSN=1664-3224