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Pulmonary Function and Disease Activity of Rheumatoid Arthritis in Eastern India: Editor’s Note: This article has been retracted as of January 2026 as it is out of scope.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