Sarvana Babu M S, Aggarwal Neelam, Asha A, Ashok Digraje Sunita, Koshy Thomas
Department of Anesthesia, Sree Chitra Tirunal Institute for Medical Sciences and Technology, Trivandrum, Kerala, India.
Ann Card Anaesth. 2017 Apr-Jun;20(2):278. doi: 10.4103/0971-9784.203960.