Singh, D., S. Saxena, J. S. Bogra, A. K. Chaudhary, G. Chandra, and S. Bhushan. “A Comparative Study of the Effect of Parentral and Oral Glutamine on Biochemical Parameters and on the Duration of ICU Stay in Critically Ill Patients”. Anaesthesia, Pain & Intensive Care, Jan. 2019, pp. 123-7, https://apicareonline.com/index.php/APIC/article/view/453.