Particular attention should be directed toward current symptoms of depression or anxiety, self-destructive thoughts, and observable signs such as psychomotor retardation.

Research supports the conclusion that there are no observable signs of lying, only signs of anxiety.

"From every observable sign," the older woman said with a wry smile.

The first observable signs of both magnesium starvation and overexposure in plants is a decrease in the rate of photosynthesis.

One of the first observable signs of a soman poisoning is miosis.

There are far fewer observable signs of it than performers fear.

Dr. Allain said medics at accident sites and in combat zones must often make their determinations based on the absence of observable signs of life.

A trail of smoke issued from one chimney, the only observable sign that the house was still inhabited.

BHV-4 infection is often subclinical, with no observable clinical signs.

No observable signs of life after fourth hour.