More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.
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Pregnant women usually experience a heightened sense of smell beginning late in the first trimester. Some experts call this the body's way of protecting a pregnant woman from foods that are unsafe for the fetus.
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The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."
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After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.
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Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.
Variation in climatic conditions result in geographic variation in the distribution of biome types a
Mechanisms of pain at the nociceptor level
Patient conditions not appropriate for elctronic blood pressure measurement
Muscle structure seen at the EM level
Sea-Level Pressure
Examples of Conditions Detected by Prenatal Genetic Screening Methods