[On the histopathological problems and diagnosis of Ewing's sarcoma (author's transl)].
D001706:Biopsy; D001859:Bone Neoplasms / Q000175:diagnosis / Q000473:pathology; D001842:Bone and Bones / Q000473:pathology; D006801:Humans; D012512:Sarcoma, Ewing / Q000175:diagnosis / Q000473:pathology*
Zur histopathologischen Problematik und Diagnose des Ewing-Sarkoms.