[Diagnosis of non-renal retroperitoneal tumors: usefulness of ultrasound and fine needle puncture].
Busel
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D
Roa
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I
D000328:Adult; D000368:Aged; D001707:Biopsy, Needle; D002648:Child; D002675:Child, Preschool; D006801:Humans; D008875:Middle Aged; D012186:Retroperitoneal Neoplasms / Q000473:pathology*; D014463:Ultrasonography
Diagnóstico de tumores retroperitoneales no renales: utilidad del ultrasonido y punción con aguja fina.