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We present a case of a fracture of the anterior arch of the atlas associated with a congenital abnormality of the posterior arch. <\/jats:p>","DOI":"10.1302\/0301-620x.92b9.24071","type":"journal-article","created":{"date-parts":[[2010,8,26]],"date-time":"2010-08-26T23:28:13Z","timestamp":1282865293000},"page":"1300-1302","source":"Crossref","is-referenced-by-count":10,"title":["Congenital absence of the posterior arch of the atlas associated with a fracture of the anterior arch"],"prefix":"10.1302","volume":"92-B","author":[{"given":"L.","family":"Corominas","sequence":"first","affiliation":[{"name":"Department of Orthopaedics and Rehabilitation, Hospital Universitario Central de Asturias, Celestino Villamil s\/n, 33006 Oviedo, Asturias, Spain."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"K. Z.","family":"Masrouha","sequence":"additional","affiliation":[{"name":"Department of Orthopaedics and Rehabilitation, University of Iowa Hospitals and Clinics, 01006 JPP, 200 Hawkins Drive, Iowa City, Iowa 52242, USA."}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"42","reference":[{"key":"R1","unstructured":"Currarino G, Rollins N, Diehl JT. Congenital defects of the posterior arch of the atlas: a case report of seven cases including an affected mother and son. AJNR Am J Neuroradiol 1994;15:249\u201354."},{"key":"R2","doi-asserted-by":"publisher","DOI":"10.1097\/00006123-199809000-00140"},{"key":"R3","doi-asserted-by":"publisher","DOI":"10.3340\/jkns.2009.46.6.522"},{"key":"R4","doi-asserted-by":"crossref","unstructured":"Motateanu M, Gudinchet F, Sarraj H, Schnyder P. Case report 665: congenital absence of posterior arch of atlas. Skeletal Radiol 1991;20:231\u20132.","DOI":"10.1007\/BF00241677"},{"key":"R5","unstructured":"Sagiuchi T, Tachibana S, Sato K, et al. 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