title: Unusual group of tumours among schoolgirls.
mesh_terms: D000293:Adolescent; D000328:Adult; D000671:Amputation, Surgical; D000818:Animals; D001717:Birds; D005260:Female; D005269:Femur / Q000503:physiopathology; D006801:Humans; D012516:Osteosarcoma / Q000175:diagnosis*; D011882:Radiotherapy, High-Energy; D013584:Sarcoma, Synovial / Q000175:diagnosis*; D012572:School Health Services; D013848:Thigh / Q000503:physiopathology; D013977:Tibia / Q000503:physiopathology; D014852:Wales; D014867:Water
chemical_list: D014867:Water