41.   But doctors have been reluctant to offer liver transplants to people with hepatitis for fear that their new liver will also become infected.

42.   But Dr. Douglas Hanto, director of the adult liver transplant program at the University of Cincinnati and an opponent of the rule, disagreed.

43.   But his health is failing and he needs a liver transplant.

44.   But Hurewitz was healthy, and he was in the hands of a renowned liver transplant program that had never experienced a donor fatality.

45.   But liver transplants from live donors require a far more complicated and risky operation, removing part of the organ.

46.   But medical researchers and liver transplant surgeons said advances in the treatment of hepatitis B had left the guidelines outdated.

47.   But the issue is especially urgent in the case of liver transplants.

48.   But sad news comes from Sebastopol, Calif., where Jane Flood has died waiting for a liver transplant.

49.   By this Tuesday, doctors concluded that only a liver transplant could save him.

50.   Candidates for liver transplant operations, for example, are put in three categories.