Haque, Majharul, et al. “Serum Lipase Amylase Ratio in Predicting Aetiology, Severity and Outcome of Acute Pancreatitis in a Tertiary Care Hospital”. Bangladesh Critical Care Journal, vol. 5, no. 2, Oct. 2017, pp. 88-92, doi:10.3329/bccj.v5i2.34383.