This is a normal phenomenon and it does not compromise the quality of serum in any way.

Now, he added, "people are looking for more security, a normal phenomenon when the stock market goes down."

Palinopsia is thus a condition which mimics normal phenomena, but with far greater intensity.

Many others are thinking this is a more normal phenomenon, and normally the economy would bounce back more quickly.

This is a perfectly normal phenomenon for any democratic society.

"In general we consider that to be a normal process, a normal phenomenon," the Soviet leader commented.

Around the year 1500, slavery had virtually died out in Western Europe, but was a normal phenomenon practically everywhere else.

The entoptic phenomenon is a normal phenomenon that some people may become suddenly aware of.

In fine, there is here a normal, physical phenomenon.

"We cannot look upon them as a normal phenomenon in our society," he said.