Marimuthu Vijayakumar, Balaji G Amirtha, Chandrasekar Nishkala, Mathai Kusuma
Department of Anesthesiology, Southern Railway Head Quarters Hospital, Ayanavaram, Chennai, Tamil Nadu, India.
Indian J Anaesth. 2013 Mar;57(2):213-4. doi: 10.4103/0019-5049.111882.