DEMİR, Ufuk, Veysel Garani SOYLU, Öztürk TAŞKIN, and Ayşe YILMAZ. “Change of Critical COVID-19 Disease in Time”. Kastamonu Medical Journal 2, no. 2 (June 21, 2022): 35–38. Accessed October 7, 2022. https://www.kastamonumedicaljournal.com/index.php/kmj/article/view/39.