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In 1864, the first barbiturate (barbituric acid) was synthesized.

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On average, the stomach produces 2 L of hydrochloric acid per day.

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Amphetamine poisoning can cause intravascular coagulation, circulatory collapse, rhabdomyolysis, ischemic colitis, acute psychosis, hyperthermia, respiratory distress syndrome, and pericarditis.

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The horizontal fraction bar was introduced by the Arabs.

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All adverse reactions are commonly charted in red ink in the patient's record and usually are noted on the front of the chart. Failure to follow correct documentation procedures may result in malpractice lawsuits.

Basal cell carcinoma, a frequent type of skin cancer that rarely metastasizes. Basal cell carcinoma, a frequent type of skin cancer that rarely metastasizes.
Psoriasis. This photograph demonstrates the characteristic white skin patches of this condition. Psoriasis. This photograph demonstrates the characteristic white skin patches of this condition.
skin skin
Shark skin under a microscope Shark skin under a microscope
Subcutaneous drug administration: (a) cross section of skin showing depth of needle insertion; Subcutaneous drug administration: (a) cross section of skin showing depth of needle insertion;
Common skin signs are often evidence of an illness or disorder. A fissure is a crack-like sore or ... Common skin signs are often evidence of an illness or disorder. A fissure is a crack-like sore or ...
Video: Types of synapses - electrical & chemical

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