Hizkia I, Novitarum L, Br Karo M. Overview Of Elderly Knowledge About Rheumatoid Arthritis In Barusjahe District Puskesmas Karo 2021. midwifery [Internet]. 2021 Sep. 29 [cited 2026 Apr. 27];10(1, October):198-202. Available from: https://midwifery.iocspublisher.org/index.php/midwifery/article/view/184