The initial group of 1, 000 will participate in a series of baseline studies including cardiac function, testing for joint abnormalities and psychosocial tests.
Merck is conducting two other large tests of Vytorin as part of the joint venture, under which the companies split the development responsibilities and sales for Vytorin and Zetia.
Mr Bush has appointed a host of officials who reject multilateralism or at least many United Nations activities, treaties on global warming, nuclear tests and a world criminal court, or joint action on tax havens.
There has been no repeat of the missile tests, though China did invite the French navy to conduct joint manoeuvres near Taiwan a few days before the election.
Djourou was of the opinion that there were no broken bones or torn ligaments in his damaged joint, but Arsenal moved to clarify the situation on Tuesday afternoon following further tests and the Swiss FA amended their story.