"Is there really a reciprocal relationship between bone and fat?"

Some studies point to a reciprocal relationship between gum disease and diabetes.

The media has a reciprocal relationship with sexual behavior, and the type of influence differs by gender.

"They have a reciprocal relationship, helping each other get over obstacles."

In various ways, there has been a reciprocal relationship between the park and local people.

Control, in short, is regarded as a reciprocal relationship.

All members of a community share reciprocal relationships with one another.

"We believe there is a very powerful reciprocal relationship between the two spheres."

However, the code envisioned a reciprocal relationship between the population and the Army.

In a living organism there is, however, a reciprocal relationship of all parts.