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During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).

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The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.

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The FDA recognizes 118 routes of administration.

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Essential fatty acids have been shown to be effective against ulcers, asthma, dental cavities, and skin disorders such as acne.

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The familiar sounds of your heart are made by the heart's valves as they open and close.

Alternative forms of surgeries involving the uterus, ovaries, and fallopian tubes. The solid lines i Alternative forms of surgeries involving the uterus, ovaries, and fallopian tubes. The solid lines i
Ovaries, uterine tubes, and uterus. Ovaries, uterine tubes, and uterus.
Ovulation Process The two ovaries alternate ovulation in each monthly cycle. Ovulation Process The two ovaries alternate ovulation in each monthly cycle.
Binding of the estrogen receptor to DNA, as inferred from solution NMR spectroscopy Binding of the estrogen receptor to DNA, as inferred from solution NMR spectroscopy
Estrogen vs. BPA Estrogen vs. BPA
The estrogen biosynthesis pathway The estrogen biosynthesis pathway
Video: Renin/Angiotensin (water gain from urine & Na ion and water reabsorption)

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