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article_metadata: 10.4103/2152-7806.99938
article_metadata: Surg Neurol Int
article_metadata: 2012;3:91.
article_metadata: cervical spine ewing's sarcoma primitive neuroectodermal tumor
article_metadata: CC BY-NC-SA
article_metadata: https://pubmed.ncbi.nlm.nih.gov/23050205/
article_metadata: Case Reports
article_metadata: PMC3463148
article_metadata: 23050205
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article_metadata: 2012