title: Chance fracture in ankylosing spondylitis--not merely by chance! Danger of injudicious use of skull traction.
authors.affiliation: Department of Neurosurgery, Post Graduate Institute of Medical Education and Research (PGIMER), Sector 12, Chandigarh, 160012, India.
authors.forename: Rajesh Kumar
authors.initials: RK
authors.lastname: Meena
authors.affiliation: Department of Neurosurgery, Post Graduate Institute of Medical Education and Research (PGIMER), Sector 12, Chandigarh, 160012, India.
authors.forename: Sivashanmugam
authors.initials: S
authors.lastname: Dhandapani