title: Authors' reply.
authors.affiliation: Department of Anaesthesiology, Division of Neuroanaesthesia, Institute of Medical Sciences, Banaras Hindu University, Varanasi, Uttar Pradesh, India.
authors.forename: L D
authors.initials: LD
authors.lastname: Mishra
authors.forename: S K
authors.initials: SK
authors.lastname: Pradhan
authors.forename: C S
authors.initials: CS
authors.lastname: Pradhan
references.citation: J Anaesthesiol Clin Pharmacol. 2011 Jan;27(1):59-61
references.pmid: 21804708
references.citation: J Anaesthesiol Clin Pharmacol. 2011 Oct;27(4):573
references.pmid: 22096308