ERSOY, Yuksel, Ulku MERAL, Zuhal ALTAY, Aysun BAY, Elif OZEROL, and Ozlem BAYSAL. “Serum Nitric Oxide Level in Rheumatoid Arthritis and Its Correlation With Activity of Disease”. Annals of Medical Research 7, no. 2 (May 25, 2021): 0137–0140. Accessed May 17, 2024. http://www.annalsmedres.org/index.php/aomr/article/view/2760.