Xiong, Jihao, et al. “Association Between Hemoglobin-to-Red Blood Cell Distribution Width Ratio and 30-Day Mortality in Patients With Acute Pancreatitis: Data from MIMIC-III and MIMIC-IV”. Turkish Journal of Gastroenterology, vol. 35, no. 8, Jan. 2024, pp. 651-64, doi:10.5152/tjg.2024.24067.