Sipayung, R. R.; Sinurat, L. R. E.; Syapitri, H. Effect of Elderly Exercise on Changes in Pain Intensity in Rheumatoid Arthritis Patients In Paranginan Health Center: Effect of Elderly Exercise on Changes in Pain Intensity in Rheumatoid Arthritis Patients In Paranginan Health Center. JMN 2022, 6, 101-107.