Both studies detected a tendency toward more negotiation between sellers and buyers.

Early on, studies detected that, before the age of 50, men have a higher short-term risk of coronary disease.

This does not mean that no relationship exists, simply that the studies did not detect one.

A 1993 Canadian study detected an increase at Toronto from 1989 through 1993.

Federal studies at the Dixie site had detected heavy-metal contaminants like lead and copper.

Another recent study detected carbon, which has also been presented as evidence of a forgery.

One study followed 500 men for 10 years and did not detect one heart attack.

Previous studies could only detect asteroids larger than 5 km (3 miles).

A similar study in 1985 detected only $91 million of investor losses in 31 cases.

A 1999 Danish case-control study detected no association between paternal age and risk of type 1 diabetes.