1.   Animals and human volunteers will be maintained at various atmospheric pressures and oxygen concentrations while their biochemistry is monitored.

2.   Twelve potential vaccines are currently being tested on human volunteers.

3.   Abella said Cel-Sci has plans to begin testing its vaccine in Africa in human volunteers, a delicate undertaking under any circumstances.

4.   Developmental chemotherapy takes compounds that have passed through a random screening and have shown promise in petri dish and animal studies, and tests them in human volunteers.

5.   Even so, thousands of human volunteers will be needed to test its safety and efficacy.

6.   For ethical reasons, the human volunteers were not purposely injected with hanta virus, as the animals were.

7.   Here, researchers conduct tests on both human volunteers and animals to determine the health effects of ozone and other air pollution.

8.   In the study, special mice with no existing immune system of their own were injected with the white blood cells of healthy human volunteers.

9.   In the study, mice with no existing immune system of their own were injected with the white blood cells of healthy human volunteers.

10.   Scientists working with the Emeryville firm treated their first human volunteer this week.