title: Use of Different Sizes of Head- Ring for Positioning During Induction of Anaesthesia in Paediatric Spine Surgeries.
authors.affiliation: Assistant Professor, Department of Anesthesiology and Critical Care, King George's Medical University , Lucknow, Uttar Pradesh, India .
authors.forename: Vipin Kumar
authors.initials: VK
authors.lastname: Singh
authors.affiliation: Assistant Professor, Department of Emergency Medicine, Dr RMLIMS , Lucknow, Uttar Pradesh, India .
authors.forename: Rajiv Ratan Singh
authors.initials: RR
authors.lastname: Yadav
authors.affiliation: Assistant Professor, Department of Anesthesiology and Critical Care, King George's Medical University , Lucknow, Uttar Pradesh, India .
authors.forename: Sateesh
authors.initials: S
authors.lastname: Verma
keywords: Children; Spinal mass; Supine position