His first observations on Behçet's disease began with a patient he met between 1924-1925.

Initial observations should begin next spring with full operations in 2002.

At the time, it was the most severe to strike the city since recorded observations began in 1792.

The feature had been observed several times since telescopic observations began.

They'd been moving together steadily at about 48 millimeters a day since observations began.

Other observations began not to "fit" the picture of classical theory.

The observations are beginning to create a much more complex portrait of wolves.

It will be at least five hours before observations begin to come in.

Made useless by Tolga, whose observation had begun to pay off.

It was founded in 1975, and observations began at the site in 1977.