title: [Case report on Ewing's tumors in 2 14-year-old boys].
mesh_terms: D000293:Adolescent; D001706:Biopsy; D001853:Bone Marrow / Q000473:pathology; D001855:Bone Marrow Diseases / Q000175:diagnosis; D003937:Diagnosis, Differential; D006801:Humans; D008297:Male; D012512:Sarcoma, Ewing / Q000175:diagnosis*
vernacular_title: Fallbericht über Ewing-Tumoren bei zwei 14jährigen Knaben.