1.   Even artificial heart pioneer Robert Jarvik has abandoned the idea of a totally implantable heart substitute in favor of tiny pumps that merely assist failing natural hearts.

2.   American heart pioneer Dr. Michael DeBakey and a team of American and German surgeons were advising on the operation, but not taking part.

3.   American heart surgery pioneer Dr. Michael DeBakey is advising the Russian surgeons.

4.   Dr. Michael DeBakey, the American heart surgery pioneer who is a consultant on the case and who trained Akchurin, declared it a success.

5.   Heart transplant pioneer Dr. Christiaan Barnard died Sunday in a resort on the southwest coast of Cyprus.

6.   Heart transplant pioneer Dr. Christian Barnard died Sunday, Cypriot Health Minister Frixos Savvides said.

7.   Heart transplant pioneer Dr. Christiaan Barnard died Sunday, Cypriot Health Minister Frixos Savvides said.

8.   Heart transplant pioneer Dr. Christian Barnard died Saturday, Cypriot Health Minister Frixos Savvides said.

9.   Heart transplant pioneer Dr. Chris Barnard dies in Cyprus holiday resort town, Cypriot radio reports.

10.   Heart transplant pioneer Dr. Chris Barnard died Saturday in a holiday resort town, Cyprus Broadcasting Corp. radio reported.