Respiratory infection risk in primary Sjögren's syndrome complicated with interstitial lung disease: a retrospective study

Affiliations

• ¹ Department of Rheumatology and Immunology, Beijing Key Laboratory for Rheumatism Mechanism and Immune Diagnosis, Peking University People's Hospital, 11 Xizhimen South St., Beijing, 100044, China.
• ² Department of Rheumatology and Immunology, Beijing Key Laboratory for Rheumatism Mechanism and Immune Diagnosis, Peking University People's Hospital, 11 Xizhimen South St., Beijing, 100044, China. xianglifuer@163.com.
• ³ Department of Rheumatology and Immunology, Beijing Key Laboratory for Rheumatism Mechanism and Immune Diagnosis, Peking University People's Hospital, 11 Xizhimen South St., Beijing, 100044, China. hejing1105@126.com.