Zhdan, Viacheslav, Maksym Tkachenko, Maryna Babanina, Yevdokiia Kitura, and Olena Kyrian. “The Most Common Causes of Comorbidity in Patients With Rheumatoid Arthritis”. Family medicine, no. 4 (October 28, 2021): 79–83. Accessed December 22, 2024. https://family-medicine.com.ua/2412-8708/article/view/249428.