1.   Barker recently bought more shares of Accredo Health, a specialty distributor of biotechnology drugs in Memphis, Tenn.

2.   Barr Laboratories said it is working on one biotechnology drug and is looking for others.

3.   Biotechnology drugs are those based on cells, genes and other living matter, as opposed to chemicals.

4.   -- The few biotechnology drugs that have made it past the regulators have had narrower applications than the industry promised.

5.   A biotechnology drug widely used to clear blocked arteries in heart-attack victims has been shown to be the first effective treatment for strokes.

6.   According to the office Sen. Edward M. Kennedy, one proposal would eliminate the requirement that the FDA approve manufacturing plants for biotechnology drugs.

7.   Cetuximab, which is made by New York City-based ImClone Systems Inc., is just one of a new generation of medications known as biotechnology drugs.

8.   Cloning an enzyme or other molecular compound to produce a ready supply of the material is a common practice in the development of many biotechnology drugs and treatments.

9.   Even so, some experts said most generic companies will not be pursue biotechnology drugs because the manufacturing will be costly and difficult.

10.   For many biotechnology drugs already on the market, this is not a problem because prices are high and only minuscule amounts are needed.