title: Cardiac arrest from tramadol and fentanyl combination.
authors.affiliation: Department of Neurological Sciences, Christian Medical College, Vellore, Tamil Nadu, India.
authors.forename: Shalini
authors.initials: S
authors.lastname: Nair
authors.affiliation: Department of Anaesthesia, Christian Medical College, Vellore, Tamil Nadu, India.
authors.forename: Tony Thomson
authors.initials: TT
authors.lastname: Chandy