About 9, 000 soldiers from the 3rd Infantry Division arrived in the Central Command region in two groups -- in September, 2002, and this January.
By comparison, the big government study enrolled women and randomly assigned Prempro to one half, and placebo to the other half, resulting in two groups that were indistinguishable from one another.
They charted changes in the genetic activity in two groups of ageing mice, one group on a standard diet and the other whose diets have been cut to 76% of the standard diet.
Wales, Ireland and Northern Ireland have expressed an interest in joining England, Italy, Holland and Belgium in the competition, which would be played in two groups of four with a one-off final in the spring of 2009 and play-off matches for the other positions.
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The lower intensity of dietary intervention for the control group during the first few years might have caused a bias toward a benefit in the two Mediterranean-diet groups, since the participants in these two groups received a more intensive intervention during that time.
The children in the two groups showed very little to no significant differences in terms of emotional health, behavior or sleep problems.
The globular star clusters that surround the Milky Way also seem to come in two age groups.
By studying the variation in the two groups, they hope to isolate some of the hereditary factors behind IQ.
But the number of deaths in the two groups whose day-and-night cycles had been tampered with was far higher.
The FDA said that surgical outcomes were comparable in the two groups.
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And these seven changes occurred in different orders in the two groups.
Dr Matthew Campbell and Dr Frans de Waal showed the footage to 23 adult chimpanzees, which had been raised in two separate groups.
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Mr. AMARAL: Of those, over 500 proteins were significantly different in the two groups of kids, and 117 or so were very significantly different.
Researchers at first planned to compare the rate of death, heart attacks and strokes in the two groups, but these were less frequent than anticipated.
Thus confirmed in his ideas, Dr Susser went on to trace the incidence of anti-social personality disorder (ie, a pathological tendency to behave badly towards one's fellow humans) in the two groups.
The Danish study is prospective in nature, which distinguishes it from most other studies on the health effects of cell phone use, which were case-control studies and enrolled subjects diagnosed with brain tumors and a comparison group of subjects who were free of brain tumors in order to compare reported cell phone usage in the two groups.
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He cut his teeth in two legendary jazz groups, playing with Lionel Hampton for two years and then, following in the footsteps of another New Orleans trumpeter, replacing Wynton Marsalis Art Blakey's Jazz Messengers.
The World Tour Finals sees the top eight players in the world split into two groups of four, with the top two in each section going through to the semifinals.
After seeing or speaking with their mothers, the girls in the first two groups watched the same movie for an hour.
To researchers' surprise, students who received self-esteem messages posted a drop in grades, while grades in the other two groups didn't change.
Researchers in Glasgow compared two groups of nursery school children - some who took regular active play sessions and others who did not.
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In two small working groups, Track 2A participants put forth, discussed at length, and concurred upon recommendations to be submitted to the Forum's Drafting Committees for annexing to the Declaration.
In addition, two small groups of carefully selected private investors, one in America and one in London, were sold tiny stakes in return for access to their experience and contacts.
What seems pretty clear is that fans live in one of two groups: the hardcore group that knows and loves the sport, and the casual group that needs more before it perks up.
Or maybe not: the study had a possibly serious flaw in the assignment of patients to groups: in the electroacupuncture group, only 51% had vomited during previous chemotherapy sessions, significantly fewer than in the other two groups.
Either in fear or in hope, many Greeks detect a breakdown of a political system, over a century old, in which two political groups (notionally of the centre-left and the centre-right, but both given to patronage and graft) progressively exhaust the national exchequer by outbidding each other.
Most of the firms are engaged in "benign commercial activity, " the two groups said in an April press release announcing their new product.
In recent weeks two competing working groups, one in Warsaw, the other in Gdansk, have put the finishing touches to draft codes of best practice.
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Over the past two months, the difference in Buzz scores between the two groups has begun to diminish, returning to nearly where they were before the campaign.
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And in the past week, two groups of geneticists, one at the Michael Smith Genome Sciences Centre in Vancouver, British Columbia, and the other at the Centres for Disease Control and Prevention in Atlanta, Georgia, have succeeded in sequencing the genomes of coronaviruses isolated from patients in Toronto and Asia.
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