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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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A headache when you wake up in the morning is indicative of sinusitis. Other symptoms of sinusitis can include fever, weakness, tiredness, a cough that may be more severe at night, and a runny nose or nasal congestion.

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Medication errors are three times higher among children and infants than with adults.

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The types of cancer that alpha interferons are used to treat include hairy cell leukemia, melanoma, follicular non-Hodgkin's lymphoma, and AIDS-related Kaposi's sarcoma.

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Famous people who died from poisoning or drug overdose include, Adolf Hitler, Socrates, Juan Ponce de Leon, Marilyn Monroe, Judy Garland, and John Belushi.

An overview of the process of primary and secondary growth in a woody stem. An overview of the process of primary and secondary growth in a woody stem.
Male tule elk Male tule elk
Diplacodes trivialis (male) Diplacodes trivialis (male)
Hormonal control of the male reproductive hormones Hormonal control of the male reproductive hormones
Select of Primary and Secondary Procedures Select of Primary and Secondary Procedures
How to impress a choosy female: Male fiddler crabs (top) wave their one enlarged claw to a attract a How to impress a choosy female: Male fiddler crabs (top) wave their one enlarged claw to a attract a
Video: Oxygen transport - methods and oxyhemoglobin

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