Sildenafil (Viagra®) has two actions that may be of consequence in patients with heart disease. It can lower the blood pressure, and it can interact with nitrates. It should never be used in patients who are taking nitrates.
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Today, nearly 8 out of 10 pregnant women living with HIV (about 1.1 million), receive antiretrovirals.
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Oliver Wendell Holmes is credited with introducing the words "anesthesia" and "anesthetic" into the English language in 1846.
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The average human gut is home to perhaps 500 to 1,000 different species of bacteria.
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Stroke kills people from all ethnic backgrounds, but the people at highest risk for fatal strokes are: black men, black women, Asian men, white men, and white women.
A sphere represented by means of modeling.
Atoms
Atoms and Elements
0.300 moles of sodium nitrite are needed for a reaction. The solution is 0.450 M. How many mL ...
What is the isotopic atomic mass of an isotope if 9.7023 1022 atoms weighs 4.0256 g?