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Author Question: The imposition of integer restriction is necessary for models where: a. nonnegativity constraints ... (Read 126 times) |
A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.
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.
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.
Alzheimer's disease affects only about 10% of people older than 65 years of age. Most forms of decreased mental function and dementia are caused by disuse (letting the mind get lazy).
When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.