He said he had also made several investments in biotechnology concerns.

Several biotechnology concerns and university research laboratories are working on similar tests, and they should be available in the next few years, he said.

The two biotechnology concerns were independently formed in 1981.

Cor Therapeutics rose 78 percent after the biotechnology concern received news that regulators are close to approving its new heart drug.

But we haven't seen these giants buying up biotechnology concerns.

Several first-generation biotechnology concerns and many established pharmaceutical companies are also investigating Alzheimer's.

But he believed some sectors still appeared substantially overvalued, such as cable television operators and biotechnology concerns.

The technical and regulatory obstacles are so great that these products are being developed by large chemical companies working under license from biotechnology concerns.

It is used at 60 pharmaceuticals companies, 250 biotechnology concerns and 500 academic institutions.

Epogen, approved in 1989, was Amgen's first product and helped transform the company into the world's largest biotechnology concern.