Ozkan, Abuzer, Kadir Ozsivri, Abdullah Algin, and Serdar Ozdemir. “Can the Blood Urea Nitrogen to Serum Albumin Ratio Predict a Prolonged Hospital Stay in Patients With Acute Cholecystitis?”. Annals of Medical Research 30, no. 8 (August 25, 2023): 914–919. Accessed May 20, 2024. http://www.annalsmedres.org/index.php/aomr/article/view/4493.