Once these highly variable genes are identified, they may be considered separately in analyses to identify differential gene expression among experimental treatments.

He had written an article about how he had decided among possible treatments for his prostate cancer.

As for choosing among even routine treatments, doctors and women's advocates say, there are limits on how much responsibility many women want to take.

In one room, for instance, there is a group of more than a dozen works by Tom Wesselmann, among them treatments of the same subject.

H: There is a difference in effectiveness among treatments.

Replication is needed to account for this variation among items and treatments.

If individuals don't know enough about their own bodies to decide among the many doctors, drugs and treatments available, why would a bunch of politicians?

Among several widely used treatments for prostate cancer, one stands out for its profit potential.

For example, when treating some kinds of cancer, a particular medication may not result in the best immediate reward (best acute effect) among initial treatments.

Among treatments for children, perhaps only 20 percent have good data behind them, Dr. Brook said.