article_metadata: Aijaz A Sofi Ashish D Thekdi Ali Nawras
article_metadata: 10.1155/2011/198029
article_metadata: Diagn Ther Endosc
article_metadata: 2011;2011:198029.
article_metadata: CC BY
article_metadata: https://pubmed.ncbi.nlm.nih.gov/21603018/
article_metadata: Case Reports
article_metadata: PMC3095240
article_metadata: 21603018
article_metadata: EUS-FNA for the Diagnosis of Retroperitoneal Primitive Neuroectodermal Tumor
article_metadata: 2011