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Author Question: When a significant number of subjects drop out of a study, there is a(n) ____ threat. a. history ... (Read 54 times) |
Did you know?
When blood is deoxygenated and flowing back to the heart through the veins, it is dark reddish-blue in color. Blood in the arteries that is oxygenated and flowing out to the body is bright red. Whereas arterial blood comes out in spurts, venous blood flows.
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The first monoclonal antibodies were made exclusively from mouse cells. Some are now fully human, which means they are likely to be safer and may be more effective than older monoclonal antibodies.
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The horizontal fraction bar was introduced by the Arabs.
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There are actually 60 minerals, 16 vitamins, 12 essential amino acids, and three essential fatty acids that your body needs every day.
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Blood is approximately twice as thick as water because of the cells and other components found in it.