title: Intra-operative ventricular bigeminy: can retractor be a cause.
authors.affiliation: Department of Anaesthesia, Shri Guru Ram Rai Institute of Medical and Health Sciences, Dehradun, India-248001.
authors.forename: Nidhi
authors.initials: N
authors.lastname: Anand
authors.forename: Manish
authors.initials: M
authors.lastname: Anand
authors.forename: Alok Vardhan
authors.initials: AV
authors.lastname: Mathur
authors.forename: Madhukar
authors.initials: M
authors.lastname: Maletha
authors.forename: S K
authors.initials: SK
authors.lastname: Ghildyal