Muralidharagopalan, N.R., Karuppasamy, K. and Subramanian, S. 2020. Intensive care unit delirium - does prolonged intensive care unit stay increase morbidity. International Journal of Research in Orthopaedics. 6, 3 (Apr. 2020), 477–479. DOI:https://doi.org/10.18203/issn.2455-4510.IntJResOrthop20201061.