title: Can historical controls be used in current clinical trials in osteosarcoma. Analysis of Prognostic factors.
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D001859:Bone Neoplasms / Q000188:drug therapy*; D002648:Child; D002986:Clinical Trials as Topic; D005260:Female; D006801:Humans; D007372:Interferons / Q000627:therapeutic use*; D008297:Male; D012516:Osteosarcoma / Q000188:drug therapy*; D011379:Prognosis; D012107:Research Design
chemical_list: D007372:Interferons