domut nurmila, Malaha A, Engelen A. DESCRIPTION OF RHEUMATOID FACTOR IN THE ELDERLY IN THE WORKING AREA OF THE NORTH TOTO HEALTH CENTER. JHTS [Internet]. 2021Dec.28 [cited 2024Nov.23];2(4):74-3. Available from: https://journals.ubmg.ac.id/index.php/JHTS/article/view/1019