51.   An operation would take about four to five days.

52.   Boris Yeltsin is fit enough for his bypass surgery and the long-awaited operation will take place in the next few days, the Kremlin announced Monday.

53.   But a source close to the hospital said the operation took place on Saturday.

54.   Covert operations often take place in populated areas where villagers gather firewood and shepherds tend to flocks of sheep in the hillsides.

55.   Colin Schofield, production manager of the Kursk Foundation, said the operation must take place this summer to take advantage of the calmer weather.

56.   DeBakey is expected to examine Yeltsin and confer Wednesday about when an operation should take place.

57.   Deputy Prime Minister Ilya Klebanov, who heads the commission investigating the Kursk tragedy, said that the complex operation would take about three months, Interfax reported.

58.   Doctors said the heart bypass operation could take up to eight hours.

59.   Doctors said Monday that Yeltsin is fit enough for the bypass surgery and the long-awaited operation will take place in the next few days.

60.   Doctors said Monday that Yeltsin was fit enough for the bypass surgery and that the long-awaited operation would take place in the next few days.