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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 first monoclonal antibodies were made exclusively from mouse cells. Some are now fully human, which means they are likely to be safer and may be more effective than older monoclonal antibodies.

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Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.

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Many medications that are used to treat infertility are injected subcutaneously. This is easy to do using the anterior abdomen as the site of injection but avoiding the area directly around the belly button.

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Giardia is one of the most common intestinal parasites worldwide, and infects up to 20% of the world population, mostly in poorer countries with inadequate sanitation. Infections are most common in children, though chronic Giardia is more common in adults.

These top and side views reveal the R groups extending out from the β sheet and emphasize These top and side views reveal the R groups extending out from the β sheet and emphasize
Procedures and Diagnostic Tests Related to the Male Reproductive System Procedures and Diagnostic Tests Related to the Male Reproductive System
Men who are at risk for heart disease and report work-related stressors are at greater risk of death ... Men who are at risk for heart disease and report work-related stressors are at greater risk of death ...
Selected Topical Corticosteroids for Dermatitis and Related Symptoms Selected Topical Corticosteroids for Dermatitis and Related Symptoms
Organs of the alimentary canal and related accessory organs Organs of the alimentary canal and related accessory organs
The gradient of the B allele of the ABO blood groups from East to West is due to waves of migration The gradient of the B allele of the ABO blood groups from East to West is due to waves of migration
Video: Inflammation

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