Bombei, Belinda, Freilich, DO, PGY 2Arielle, and Helaine Larsen, DO. “Approach to Polyarthritis for the Primary Care Physician”. Osteopathic Family Physician 10, no. 5 (September 1, 2019): 24-31. Accessed February 24, 2021. https://ofpjournal.com/index.php/ofp/article/view/612.