Again, these findings indicate exposure of an open airway to material retained in the pharynx, increasing the risk for aspiration in older individuals.

At best, a positive result may be interpreted only to indicate exposure.

Subra explained "the presence of these chemicals in the blood indicates exposure."

Most residents also reported symptoms indicating exposure to infectious micro-organisms or microbial products (endotoxins).

At best, a positive result may be interpreted only to indicate exposure; a negative result does not exclude the possibility of exposure.

A test that looks for antibodies in the blood that indicate exposure to H. pylori.

His injuries indicate exposure to radiation.

Cotinine, a substance produced by the body that indicates exposure to cigarette smoke, dropped 78 percent among those workers within the first year.

They passed . . . and I waited to see if there was any activity from the north that would indicate exposure of the other team.

That indicates brief exposure and lower temperature.