The unreliability of prognostic criteria in osteosarcoma.
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D001859:Bone Neoplasms / Q000401:mortality* / Q000473:pathology; D001842:Bone and Bones / Q000473:pathology; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009928:Organ Specificity; D012516:Osteosarcoma / Q000401:mortality* / Q000473:pathology; D011379:Prognosis; D012737:Sex Factors; D013997:Time Factors