41.   Both companies are selling the tools necessary to perform the operations.

42.   Both operations were performed at the bedside, as is often the case for premature infants.

43.   Brown insists that a urologist be present whenever he performs the operation.

44.   But if each plant performs all three operations, your flexibility is significantly enhanced.

45.   But in the last few years, it was unclear how often residents performing operations for a donation were supervised, DeBuono said.

46.   But he said that as their confidence builds, many have stopped using the machine and have performed the operation on beating hearts.

47.   But keeping patients in the dark can pose problems beyond performing fake operations, as Genzyme found.

48.   But that elation quickly turned to anguish when his son returned from surgery and he discovered that the wrong operation had been performed.

49.   But the operation was performed only after many weeks of consideration.

50.   Come to Srebrenica, where a heroic surgeon performed operations without anesthesia because Serbs had deprived the town of medicine.