61.   In related research, Vollenweider plans to continue brain imaging studies of healthy volunteers who have taken psilocybin and LSD.

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

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

64.   Researchers used a technique called functional magnetic resonance imaging to observe brains of six healthy volunteers asked to perform a series of simple tasks.

65.   So far they have managed to improve the balance of healthy volunteers by applying an electric current to counteract the motion of a swaying platform.

66.   Six healthy volunteers had earlier taken four different preparations several times over a period of several weeks in the earliest phase of testing, for safety.

67.   The drug, a class of compounds known as neuroimmunophilins, will be given to healthy volunteers in Europe to determine whether they cause any side effects.

68.   The first phase of the trial will simply test the vaccine for safety, using healthy volunteers in the United States and South Africa.

69.   The people with schizophrenia found the vanilla equally intense but half as pleasing as did the healthy volunteers.

70.   The new rule for biological, chemical and nuclear agents would still require the safety of drugs to be tested on healthy human volunteers.