Object-oriented Business Process Analysis of the Cooperative Soft Tissue Sarcoma Trial of the German Society for Paediatric Oncology and Haematology (GPOH). - Ralf Weber 002; Petra Knaup; Robert Knietig; Reinhold Haux; Angela Merzweiler; Volker Mludek; Freimut H. Schilling; Timm Wiedemann (MedInfo, 2001)