A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2019; you can also visit the original URL. The file type is application/pdf.
application/pdf
D.K.C. Cooper. "Xenotransplantation - state of the art - Update 1999." Frontiers in Bioscience 4.4 (1999) d416-432