Doctors say xenotransplantation could be a “bridge” for patients awaiting human kidneys
<ul><li>Tim Andrews received a genetically modified pig kidney in a groundbreaking surgery at Massachusetts General Hospital
</li><li>The pig kidney functioned for 271 days before Andrews received a… [+2456 chars]
</li><li>The pig kidney functioned for 271 days before Andrews received a… [+2456 chars]