But no one knows whether the effects occur in people.

However, these side effects do not occur in most patients.

But there is not enough information to know how often these side effects might occur.

These side effects occur 20% to 30% of the time.

Keep track of how you feel, and when the effects occur.

This effect did not occur when asking the general question in the first place.

The same effects occur with sound and other forms of energy.

These effects occurred at what were previously considered very low levels of lead in blood.

I'm just afraid that both effects will occur at once.

Side effects other than those listed here may also occur.