Liens consultables :
En Belgique
- BGDO (Belgian Group of Digestive Oncology)
- BGOG (Belgian and Luxembourg Gynaecological Oncology Group)
En Europe
- CECOG (Cental European Cooperative Oncology Group)
- CEEGOG (Central and Eastern European Gynecologic Oncology Group)
- EBMT (European Group for Blood and Marrow Transplantation)
- ENCR (European Network of Cancer Registries)
- ENGOT (European Network of Gynaecological Oncological Trial Groups)
- EORTC (European Organization for Research and Treatment of Cancer)
- ESH (European School of Haematology)
- ETOP (European Thoracic Oncology Platform)
- EUOG (European Uro-Oncology Group)