Tofacitinib plus iguratimod for improving rheumatoid arthritis-related usual interstitial pneumonia: a three-case report and literature review
Shuhua Wang#, Yao Li#, Yanchun Tang, Weilin Xie*
Department of Rheumatology, the Qingdao University Medical College Affiliated Yantai Yuhuangding Hospital, Yantai, 264000, China
#Shuhua Wang and Yao Li contributed equally to this work and should be considered co-first authors.
*Correspondence to: Weilin Xie, MD, Department of Rheumatology, the Qingdao University Medical College Affiliated Yantai Yuhuangding Hospital, Yudong Road 20th, Yantai, 264000, China. Email: 403253755@qq.com