Bühler, L Xenotransplantation--state of the art--update 1999. [electronic resource] - Frontiers in bioscience : a journal and virtual library Apr 1999 - D416-32 p. digital Publication Type: Journal Article; Review ISSN: 1093-9946 Standard No.: 10.2741/A438 doi Subjects--Topical Terms: AnimalsAnimals, Genetically ModifiedAntibodies--physiologyCarbohydrates--geneticsComplement System Proteins--physiologyEndothelium, Vascular--immunologyGenetic EngineeringGraft Rejection--immunologyGraft SurvivalHumansImmune ToleranceSpecies SpecificitySwineTransplantation, Heterologous--immunology