Ishimaru, N., H. Ohnishi, M. Fujii, M. Yumura, S. Yoshimura, and S. Kinami. “Microscopic Polyangiitis Presented With Biopsy-Confirmed Pleuritis”. Monaldi Archives for Chest Disease, vol. 88, no. 2, June 2018, doi:10.4081/monaldi.2018.897.