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When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.

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For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.

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After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.

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Signs and symptoms of a drug overdose include losing consciousness, fever or sweating, breathing problems, abnormal pulse, and changes in skin color.

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The training of an anesthesiologist typically requires four years of college, 4 years of medical school, 1 year of internship, and 3 years of residency.

First Line of Defence First Line of Defence
The Movius line separates regions of the world where Acheulean hand axes were made from regions wher The Movius line separates regions of the world where Acheulean hand axes were made from regions wher
Schematic Diagram of the fluidized bed for the experiment (CHE415 Unit Operations) Schematic Diagram of the fluidized bed for the experiment (CHE415 Unit Operations)
4.1 Age changes in total IQ based on cross-sectional data (lower line) and longitudinal data ... 4.1 Age changes in total IQ based on cross-sectional data (lower line) and longitudinal data ...
Bright-Line Spectra of Hydrogen and Helium Bright-Line Spectra of Hydrogen and Helium
Ramey's study, children from poverty-level families IQ experiment Ramey's study, children from poverty-level families IQ experiment
Video: Humerus Adduction Animation

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