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The horizontal fraction bar was introduced by the Arabs.

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People about to have surgery must tell their health care providers about all supplements they take.

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The liver is the only organ that has the ability to regenerate itself after certain types of damage. As much as 25% of the liver can be removed, and it will still regenerate back to its original shape and size. However, the liver cannot regenerate after severe damage caused by alcohol.

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Serum cholesterol testing in adults is recommended every 1 to 5 years. People with diabetes and a family history of high cholesterol should be tested even more frequently.

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ACTH levels are normally highest in the early morning (between 6 and 8 A.M.) and lowest in the evening (between 6 and 11 P.M.). Therefore, a doctor who suspects abnormal levels looks for low ACTH in the morning and high ACTH in the evening.

Endotracheal intubation. First, a lighted scope is used to identify the trachea from the esophagus. Endotracheal intubation. First, a lighted scope is used to identify the trachea from the esophagus.
Identify the structures shown below by filling in the blanks. Identify the structures shown below by filling in the blanks.
Age-Crime Relationship in (a) 1842 and (b) 1992 Age-Crime Relationship in (a) 1842 and (b) 1992
Women and Crime Women and Crime
Four terrorist incidents. Clockwise from top left: the Alfred P. Murrah Federal Building after ... Four terrorist incidents. Clockwise from top left: the Alfred P. Murrah Federal Building after ...
US federal budget deficit/surplus and debt US federal budget deficit/surplus and debt
Video: Digestive System Animation

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