article_metadata: E C Castro A V Parwani
article_metadata: 10.1155/2012/190581
article_metadata: Case Rep Med
article_metadata: 2012;2012:190581.
article_metadata: CC BY
article_metadata: https://pubmed.ncbi.nlm.nih.gov/22312368/
article_metadata: Case Reports
article_metadata: PMC3270556
article_metadata: 22312368
article_metadata: Ewing sarcoma/primitive neuroectodermal tumor of the kidney: two unusual presentations of a rare tumor
article_metadata: 2012