Samra Tanvir, Kaur Ranvinder, Chaudhary Lalitha, Meena Kavita
Department of Anaesthesia and Intensive Care, Post Graduate Institute of Medical Education and Research, Chandigarh, India.
Department of Anaesthesia and Intensive Care, Lady Hardinge Medical College, New Delhi, India.
Indian J Anaesth. 2017 Jan;61(1):72-74. doi: 10.4103/0019-5049.198389.