So we'll keep you here a few days for observation.

The young mother was also in the hospital for observation.

No, they had to keep her the night for observation.

I should like to ask you for your observations on two specific points.

But Tom and his friends had little time for such observation.

He was known for his original observations in heart disease.

However, the 7-month-old was taken to a hospital for observation.

They kept me an additional night for observation, which brought my total stay to five days.

"They were going to take her to a nearby hospital for further observation."

The youth was being held at the hospital for observation.