Singh P M, Kaur Manpreet, Rewari Vimi
Department of Anaesthesia and Critical Care, All India Institute of Medical Sciences, New Delhi, India.
JPNA Trauma Centre, All India Institute of Medical Sciences, New Delhi, India.
Anesth Essays Res. 2012 Jan-Jun;6(1):111. doi: 10.4103/0259-1162.103395.