Shobhik Chakraborty; Kaushik Kar; Debabrata Ray; Debangshu Bhanja Choudhury. A Study of Serum Amylase Level and Serum Level of Seromuscular Enzymes (SGOT, Ldh, CPK) As A Diagnostic Index of Necrosis and Gangrene of Intestine in a Case of Acute Mechanical Small Intestinal Obstruction: An Observational Study. Int. J. Heal. Clin. Res. 2021, 4, 265-277.