It is unclear why there has been an apparent increase in flow over the last 30 years.

There are many reasons for the apparent increase in the duration of business trips, according to experts.

Despite the apparent increase in Gorbachev's power, he was unable to stop the process of nationalistic assertion.

This evidence suggests that the apparent increase in inequality exists because more people with financial assets are taking breaks from work.

No one can say for sure that the frightening trend is related to the apparent increase in size of major league players.

There has been much speculation about the possible causes of brain cancers, and especially their apparent increase.

And that feeds the apparent increase in the disparity of American incomes.

However, the controls of this study were short lived, which may have contributed to the apparent increase in longevity.

Nor do they believe that improvements in detecting the disorder are enough to explain the apparent increase.

"That's the basic story, and I hope that people don't get misled by this apparent dramatic increase since 1992."