Cakir, Aysen, Aylin Bican Demir, and Nevzat Kahveci. “Ratio of Serum Matrix Metalloproteinases and Their Inhibitors in Chronic Insomnia Patients”. Annals of Medical Research 30, no. 10 (October 25, 2023): 1271–1275. Accessed September 14, 2026. http://www.annalsmedres.org/index.php/aomr/article/view/4565.