21.   This year, a similar phenomenon is happening.

22.   We run into a similar phenomenon when putting cars through the paces for our comparison tests.

23.   Education Minister Veselin Metodiev compares the rush to study in his country to a similar phenomenon in Western Europe after World War II.

24.   Education Minister Veselin Metodiev compares the rush to study in his country to a similar phenomenon in Western Europe immediately after World War II.

25.   In Europe, a similar phenomenon has occurred.

26.   On Earth, a similar phenomenon occurs when patients are confined to bed for long periods.

27.   Residents said a similar phenomenon occurred some years ago on a smaller scale.

28.   And they warned that a similar phenomenon could recur in round two if Chirac is consistently shown to be uncatchable in the polls.

29.   They warned a similar phenomenon could recur in round two if Chirac is consistently shown to be uncatchable in the polls.

30.   This in turn led to fears around the world of similar phenomena in other key emerging markets.