title: Does the use of ketamine or nitroglycerin as an adjuvant to lidocaine improve the quality of intravenous regional anesthesia?
authors.affiliation: Assistant Professor of Anesthesia, College of Medicine, Ain Shames University, Cairo, Egypt.
authors.forename: Khaled Fawzy
authors.initials: KF
authors.lastname: Elmetwaly
authors.forename: Nasr Abdelmohsen
authors.initials: NA
authors.lastname: Hegazy
authors.forename: Abdelkhalek Abdelmonem
authors.initials: AA
authors.lastname: Aboelseoud
authors.forename: Ahmad Abdullah
authors.initials: AA
authors.lastname: Alshaer