title: Absence of bilateral C2 pars in a child with osteogenesis imperfecta.
authors.affiliation: Department of Orthopaedic Surgery, University of Rochester School of Medicine and Dentistry, 601 Elmwood Ave, Box 665, Rochester, NY 14642, USA.
authors.forename: Farhad
authors.initials: F
authors.lastname: Yazdi
authors.affiliation: Department of Orthopaedic Surgery, University of Rochester School of Medicine and Dentistry, 601 Elmwood Ave, Box 665, Rochester, NY 14642, USA.
authors.forename: Addisu
authors.initials: A
authors.lastname: Mesfin