[Clinical characteristics of osteosarcoma].
D000293:Adolescent; D001859:Bone Neoplasms / Q000175:diagnosis*; D002648:Child; D006801:Humans; D009378:Neoplasms, Multiple Primary; D012516:Osteosarcoma / Q000175:diagnosis*; D011379:Prognosis
Caractéristiques cliniques de l'ostéosarcome.