title: [Retroperitoneal tumors: cytologic diagnosis by fine-needle puncture].
authors.forename: I
authors.initials: I
authors.lastname: Roa
authors.forename: D
authors.initials: D
authors.lastname: Busel
authors.forename: J C
authors.initials: JC
authors.lastname: Araya
authors.forename: A
authors.initials: A
authors.lastname: Mauriz
mesh_terms: D000328:Adult; D000368:Aged; D001707:Biopsy, Needle; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D012186:Retroperitoneal Neoplasms / Q000473:pathology*
vernacular_title: Tumores retroperitoneales: diagnóstico citológico por punción con aguja fina.