Sputum lautropia is decreased in rheumatoid arthritis-associated pulmonary fibrosis
Objective To investigate whether lung microbial composition differs between individuals with rheumatoid arthritis and pulmonary fibrosis (RA-PF) compared to those without fibrosis (RA-no-PF). Methods We enrolled 54 RA patients (22 RA-PF, 32 RA-no-PF) from rheumatology and pulmon…