@article{shin_lee_2008,  title={Intravenous cyclophosphamide therapy in adults with henoch-schönlein purpura},  volume={63},  ISSN={1807-5932},  url={https://doi.org/10.1590/S1807-59322008000400025},  DOI={10.1590/S1807-59322008000400025},  number={4},  journal={Clinics},  publisher={Faculdade de Medicina / USP},  author={Shin, Jae Il and Lee, Jae Seung},  year={2008},  pages={555–556} }