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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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Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.

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Approximately 25% of all reported medication errors result from some kind of name confusion.

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Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.

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The U.S. Preventive Services Task Force recommends that all women age 65 years of age or older should be screened with bone densitometry.

Synthesis of the active hormone formed from vitamin D or its precursor in skin. Synthesis of the active hormone formed from vitamin D or its precursor in skin.
Skin closure methods; E. glue. Skin closure methods; E. glue.
Dose-Response Curves for Morphine Dose-Response Curves for Morphine
Cancer Survival Rates According to Psychological Response to Diagnosis Cancer Survival Rates According to Psychological Response to Diagnosis
The Mantoux tuberculin skin test. Positive reaction. The Mantoux tuberculin skin test. Positive reaction.
Dose-response relationship. As the dose of a drug increases, a maximal response or plateau is ... Dose-response relationship. As the dose of a drug increases, a maximal response or plateau is ...
Video: Evolutionary tree of life Animation

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