21.   More research is needed into the safety and efficacy of the drug before the third phase of studies can begin.

22.   Now, according to Wirth, the U.N. Foundation is entering a third phase.

23.   Only in the third phase do companies enroll large numbers of patients to test whether the drugs work.

24.   Riesman thought the United States was in this third phase, becoming a culture of more and more other-directed citizens.

25.   The company claimed that the third phase is the largest overseas construction contract ever awarded to a Korean company.

26.   The decision he was referring to is the third phase of monetary union, which includes a joint currency and central bank.

27.   The first concerns choosing the countries that will be allowed to go ahead with the third phase of the monetary union.

28.   The study, now in its third phase, probably will continue a few more years, Lawson said.

29.   The third main phase of the war began in early December.

30.   The third phase might come next year as companies begin to offer customers the use of the Internet for financial transactions.