Trigger factors in transfusion medicine : proceedings of the twentieth international symposium on blood transfusion, Groningen 1995, organized by the Red Cross Blood Bank Noord-Nederland / ed. by C.Th. Smit Sibinga and P.C. Das and E.L. SnyderCytokines and growth factors in blood transfusion : abstract book 21th International Symposium on Blood TransfusionCytokines and growth factors in blood transfusion : proceedings of the twentyfirst international symposium on blood transfusion, Groningen 1996, organized by the Red Cross Blood Bank Noord-Nederland / ed. by C.Th. Smit Sibinga and P.C. Das and B. LöwenbergBloeddonatie anno 1997 : grenzen aan vrijwilligheid, bereidheid en beschikbaarheid van bloeddonors / A.P.M. Los, C. Th. Smit SibingaAlternative approaches to human blood resources in clinical practice : proceedings of the twenty-second international symposium on blood transfusion, Groningen 1997 / organized by the Red Cross Blood Bank Noord Nederland ; ed. by C.Th. Smit Sibinga and P.C. Das and J.C. FratantoniThe dynamics of a donor population : event history and simulation / by Vincent van AckenRisk management in blood transfusion : the virtue of reality : proceedings of the twenty-third international symposium on blood transfusion, Groningen 1998, organized by the Red Cross Blood Bank Noord Nederland / ed. by C.Th. Smit Sibinga and H.J. AlterMolecular biology in blood transfusion : proceedings of the twenty-fourth international symposium on blood transfusion, Groningen 1999, organized by the Blood Bank Noord Nederland / ed. by C.Th. Smit Sibinga and H.G. Klein