title: [Multiple non-metastatic malignant bone neoplasms. Problems, classification and description of 14 cases].
mesh_terms: D001859:Bone Neoplasms / Q000145:classification / Q000000981:diagnostic imaging*; D003937:Diagnosis, Differential; D006801:Humans; D008637:Mesenchymoma / Q000145:classification / Q000000981:diagnostic imaging*; D009378:Neoplasms, Multiple Primary / Q000145:classification / Q000000981:diagnostic imaging*; D011859:Radiography; D012509:Sarcoma / Q000145:classification / Q000000981:diagnostic imaging*
vernacular_title: Mnogie nieprzerzutowe nowotwory złośliwe kości. Problematyka, klasyfikacja, omówienie 14 przypadków.