Animal-to-Human Transplants - Information about the procedures involved and the risk it may have for humans.
Campaign for Responsible Transplantation - An international coalition of physicians, scientists, and public interest groups opposing xenotransplantation because of the risk of transferring deadly animal viruses to the human population.
Diaries of Despair - On September 21 2000, Uncaged Campaigns and the British national paper Daily Express produced what they describe as "one of the most devastating exposés of animal experimentation ever to occur: the secret history of pig-to-primate organ transplants".