Ishimaru, Naoto, Hisashi Ohnishi, Mao Fujii, Masako Yumura, Sho Yoshimura, and Saori Kinami. 2018. “Microscopic Polyangiitis Presented With Biopsy-Confirmed Pleuritis”. Monaldi Archives for Chest Disease 88 (2). https://doi.org/10.4081/monaldi.2018.897.