About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.
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There are over 65,000 known species of protozoa. About 10,000 species are parasitic.
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Elderly adults are at greatest risk of stroke and myocardial infarction and have the most to gain from prophylaxis. Patients ages 60 to 80 years with blood pressures above 160/90 mm Hg should benefit from antihypertensive treatment.
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The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.
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Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.
A method to measure the lateral movement of membrane proteins.
Rinne Test, Assessing Bone Conduction
Blood glucose measurement. A postprandial test may be self-administered. (a) A lance pierces the ski