Michael, Mike; Brown, Nik; Faulkner, Alex and Kent, Julie. 2006. Regulating hybridity cleaning up and making a mess in the leaky worlds of Xenotransplantation and Tissue Engineering. In: Andrew Webster, ed. New Technologies in Health Care: Challenge, Change and Innovation. Palgrave Macmillan, pp. 194-210. ISBN 978-1-4039-9130-0 [Book Section]