Study of Pulmonary Function Tests in Rheumatoid Arthritis Patients and to Establish Correlation between Pulmonary Function and Disease Activity of Rheumatoid Arthritis in Eastern India: Editor’s Note: This article has been retracted as of January 2026 as it is out of scope. (2023). Indian Journal of Public Health Research & Development, 14(3), 62-70. https://doi.org/10.37506/ijphrd.v14i3.19359