Gurajala Indira, Brahmaprasad Vengala, Rajesh Alugolu, Ramachandran Gopinath, Purohit Aniruddh Kumar
Department of Anaesthesiology, Nizams Institute of Medical Sciences, Hyderabad, Andra Pradesh, India.
Indian J Anaesth. 2012 Nov;56(6):585-7. doi: 10.4103/0019-5049.104586.