21.   Gore asserts that survival rates for children with cancer have risen sharply because most of those children participate in clinical tests.

22.   He has written specialized software for some of his clinical test equipment.

23.   However, said Greenbaum, the field remains controversial because few rigorous clinical tests have been carried out.

24.   In two sets of clinical tests, the implant significantly delayed onset of the opportunistic viral condition in people with AIDS known as CMV retinitis.

25.   It is undergoing clinical tests pending approval from the U.S. Food and Drug Administration.

26.   It is based on modern theories of heat transfer and involves clinical tests on humans.

27.   Japan Tobacco decided to go ahead with clinical tests in Japan, after favorable results in similar tests in Europe and the U.S., a company spokesman said.

28.   None has proved itself in large-scale clinical tests, and there have been frequent problems of side effects.

29.   Reports of clinical tests of Viagra on women have not been encouraging.

30.   Sometimes a company will develop a drug for one purpose, submitting the drug to clinical tests and getting it approved for marketing for the new use.