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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As many as 20% of Americans have been infected by the fungus known as Histoplasmosis. While most people are asymptomatic or only have slight symptoms, infection can progress to a rapid and potentially fatal superinfection.
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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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Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.
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Vaccines prevent between 2.5 and 4 million deaths every year.
The experiment performed by Jacob, Monod, and Pardee to study a lacI constitutive mutant
To examine a child’s ear, the pinna should be pulled back and up for children over 3 years; the pinn
Comparison of Research Studies Exploring Nurse Caring Behaviors
Sperry’s classic study of eye rotation and regeneration.