Risk factors of serious infections in patients with large-vessel vasculitis after the approval of tocilizumab in 2017: a retrospective nested case-control study using the Japanese health insurance database

2017年托珠单抗获批后，大血管炎患者发生严重感染的危险因素：一项基于日本健康保险数据库的回顾性嵌套病例对照研究