Do not try to diagnose lumps without professional help.

Because the symptoms tend to develop slowly and can mimic other things, thyroid disease is often difficult to diagnose without lab tests.

With encouragement, a competent amateur can diagnose species and varieties without resort to parsimony analysis.

"I can't stick my neck out and diagnose a murderer without some evidence."

A more efficient system would diagnose problems without testing every part, but this isn't strictly necessary.

CAD has always been a tough disease to diagnose without the use of invasive or stressful activities.

Healers could often diagnose diabetes without the taste test.

These physicians must face the challenge of diagnosing patients without advanced laboratory or imaging techniques.

This debate still continues because sometimes decay can be difficult to diagnose without tactile verification.

"If you want to know what really happened, without an audiotape of the interview it's like trying to diagnose lung cancer without an X-ray."