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Nature 415, 103-104 (10 January 2002) | doi:10.1038/415103a
Xenotransplant experts express caution over knockout piglets
Declan Butler
The safe transplantation of pig organs into human patients remains several steps from realization, experts say. Two announcements that research teams have cloned pigs lacking a gene involved in graft rejection still leave several obstacles to xenotransplantation intact, according to most specialists in the field.
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