Our political, medical and ethical leaders have no good answer.

Yet medical leaders have also failed to seize on such disputes as ways to advance science.

He became a medical and humanitarian leader after the Revolutionary War.

Religious, governmental, medical and educational leaders have very different convictions about when life begins.

Most of the medical and private-sector leaders who were approached said they had withdrawn their names for personal reasons.

Despite the scientific findings, medical leaders were at first extremely skeptical about them.

Criticism from medical leaders has led to a change in the examination that students take for admission to medical school.

Not so long ago, Government officials and medical leaders all but pronounced the end of infectious diseases as a major public health problem.

The position is unfilled, and several medical leaders have declined to be considered for it.

Editors and other medical leaders might follow its leadership.