1.   At Nextran, scientists have gotten around the problem by injecting pig embryos with genes that block the immediate rejection process.

2.   But even when the immediate rejection is prevented, scientists still have to block a long-term rejection process that takes place weeks later.

3.   He prefers the immediate rejection.

4.   One of the hallmarks of outdoor performance is the immediate rejection that actors can get from the audience.

5.   The comments, a dramatic shift in her public message during her first diplomatic mission to the region, were met with immediate rejections by the Netanyahu government.

6.   The risk of immediate rejection was only one of many risks facing Getty, who had campaigned for more than two years to receive a baboon transplant.

7.   But hopes for the plan suffered a setback Monday by its immediate rejection by rebel Serbs.

8.   While it prevents immediate rejection, antibodies still build up on the foreign sugar.