31.   She now works only on finding a donor for her sister, who returned to Sloan-Kettering Wednesday for more chemotherapy.

32.   She waited three years until a compatible kidney donor was found.

33.   That means it can be used to help more people, including members of racial and ethnic minority groups who often have trouble finding compatible donors.

34.   The couple also realized that it might be hard to find a donor who met their criteria.

35.   The egg donors were found by placing ads in a number of area newspapers, including the Boston Globe.

36.   The operation will take place as soon as a suitable donor is found.

37.   They found donors including, appropriately, Arthur C. Clarke.

38.   This year, a development director and board have assumed responsibility for finding donors.

39.   We try to find new donors during that time.

40.   While he has found several trees of the right size so far, Peterson has yet to find a donor.