1.   Because the chemicals used in lethal injection damage organs, an organ transplant would have to occur before execution.

2.   About a quarter of adults who receive liver transplants have alcoholic cirrhosis.

3.   Even though the data are still being analyzed, there are hints that the transplants have not had a dramatic impact.

4.   If the transplant had complications later on and the recipient died, relatives of the donor might suffer another round of grief and loss.

5.   It remains unclear if the transplant has any benefit over drug therapy alone.

6.   The transplant would have to be done out of state.

7.   To win, the Miami transplant has to win over rural, conservative Democrats.

8.   Wolves historically preyed on bison, but these Canadian transplants have had no previous experience with them.

9.   Cultural beliefs against cutting open corpses, for fear that may hurt the person after death, also have discouraged transplants.

10.   Cooney said it would be a shame to perform the operation on several more patients, only to learn eventually that the transplants had a high rate of failure.