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Acute bronchitis is an inflammation of the breathing tubes (bronchi), which causes increased mucus production and other changes. It is usually caused by bacteria or viruses, can be serious in people who have pulmonary or cardiac diseases, and can lead to pneumonia.
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Intradermal injections are somewhat difficult to correctly administer because the skin layers are so thin that it is easy to accidentally punch through to the deeper subcutaneous layer.
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There can actually be a 25-hour time difference between certain locations in the world. The International Date Line passes between the islands of Samoa and American Samoa. It is not a straight line, but "zig-zags" around various island chains. Therefore, Samoa and nearby islands have one date, while American Samoa and nearby islands are one day behind. Daylight saving time is used in some islands, but not in others—further shifting the hours out of sync with natural time.
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Warfarin was developed as a consequence of the study of a strange bleeding disorder that suddenly occurred in cattle on the northern prairies of the United States in the early 1900s.
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Although not all of the following muscle groups are commonly used, intramuscular injections may be given into the abdominals, biceps, calves, deltoids, gluteals, laterals, pectorals, quadriceps, trapezoids, and triceps.
Primary visual processing areas (blue) in (a) human (lateral and mesial views) and (b) chimpanzee.
John Lewis Krimmel’s painting of the Fourth of July in Centre Square Philadelphia (1812) shows the d
Hokusai, The Great Wave off Kanagawa, from the series Thirty-Six Views of Mount Fuji.
Classes of neurotransmitters and the particular neurotransmitters that were discussed (and appeared ...
Health and Income per Capita: Two Views
Cutaway views of (a) the breast of a woman who is not pregnant and (b) the breast of a lactating wom