White cells and platelets in blood transfusion: Proceedings of the Eleventh Annual Symposium on Blood Transfusion, Groningen 1986, organized by the Red Cross Blood Bank Groningen-Drenthe

Organ Shortage: The Solutions: Proceedings of the 26th Conference on Transplantation and Clinical Immunology, 13–15 June 1994

Late Graft Loss: Proceedings of the 28th Conference on Transplantation and Clinical Immunology, 3–5 June, 1996

Cancer in Transplantation: Prevention and Treatment: Proceedings of the 27th Conference on Transplantation and Clinical Immunology, 22–24 May 1995

Organ Allocation: Proceedings of the 30th Conference on Transplantation and Clinical Immunology, 2–4 June, 1998

Rejection and Tolerance: Proceedings of the 25th Conference on Transplantation and Clinical Immunology, 24–26 May 1993

Retransplantation: Proceedings of the 29th Conference on Transplantation and Clinical Immunology, 9–11 June, 1997

Paediatrics and Blood Transfusion: Proceedings of the Fifth Annual Symposium on Blood Transfusion, Groningen 1980 organized by the Red Cross Bloodbank Groningen-Drenthe