The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.
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Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.
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Illicit drug use costs the United States approximately $181 billion every year.
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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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In 1835 it was discovered that a disease of silkworms known as muscardine could be transferred from one silkworm to another, and was caused by a fungus.
Brachial pulse.
Voltmeter hook-ups for voltage-drop testing of a GM-type cranking circuit.
A typical fuel pulsator used mostly with roller vane-type pumps to help even out the pulsation in ...
Andean-Type Mountain Building
Bar-eye phenotypes in contrast to the wild-type eye in Drosophila