11.   President Boris Yeltsin moved to his picturesque hunting lodge northwest of Moscow on Monday to finish recuperating from quintuple heart bypass surgery.

12.   Two days later, Letterman underwent quintuple heart bypass surgery.

13.   Yeltsin underwent a quintuple heart bypass operation last November, and fell ill with pneumonia in January.

14.   Yeltsin, who had quintuple heart bypass surgery in November, has stayed mostly at his country retreat since winning re-election last July.

15.   Yeltsin, who had quintuple heart bypass surgery in November, has stayed mostly at his country retreat since winning re-election in July.

16.   Yeltsin underwent quintuple heart bypass surgery in November.

17.   Yeltsin underwent quintuple heart bypass surgery last year.

18.   He had been hospitalised again only two months after undergoing a quintuple heart bypass operation.

19.   He underwent a quintuple heart bypass operation in November, and recently cancelled two international engagements, including a summit meeting with the European Union in the Netherlands.

20.   He underwent a quintuple heart bypass operation in November and last month suffered double pneumonia.