No significant side effect of any kind was observed during and after the treatment.

Most species may be observed during the entire summer season.

A good example of this action can be observed in the human body during exercise.

The effect was first observed during an eclipse of the Sun.

All these festivals are observed during a particular season in the year.

My lovers were not the only ones who observed me during this period.

Significant changes in temperature are normally observed during the day.

Members of the senior management teams will be observed during meetings and other activities.

Before leaving a camp, send out small parties to see if you have been observed during the night.

From what she had observed during the afternoon, 'casual' was the order of the day.