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medscape.com
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nih.gov
pubmed.ncbi.nlm.nih.gov
"A congenital anomaly of the atlas as a diagnostic dilemma: a case report". J Manipulative Physiol Ther. ج. 30 ع. 1: 62–4. 2007. DOI:10.1016/j.jmpt.2006.11.011. PMID:17224357.
"Malformations of the atlas vertebra simulating the Jefferson fracture". AJR Am J Roentgenol. ج. 140 ع. 6: 1083–6. 1983. DOI:10.2214/ajr.140.6.1083. PMID:6602470.
"Jefferson fracture in a child--illustrative case report". Pediatr Neurosurg. ج. 43 ع. 6: 526–30. 2007. DOI:10.1159/000108801. PMID:17992046.