Hameed, D. M., Zia, M., Qayyum, M., Hameed, H., Yasmin, R., & Zahra, S. (2023). The Association Between Rheumatoid Arthritis and Serum Levels of Vitamin D. Esculapio Journal of SIMS, 19(3), 269–272. https://doi.org/10.51273/esc23.25131931