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As of mid-2016, 18.2 million people were receiving advanced retroviral therapy (ART) worldwide. This represents between 43–50% of the 34–39.8 million people living with HIV.

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Although not all of the following muscle groups are commonly used, intramuscular injections may be given into the abdominals, biceps, calves, deltoids, gluteals, laterals, pectorals, quadriceps, trapezoids, and triceps.

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Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.

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Opium has influenced much of the world's most popular literature. The following authors were all opium users, of varying degrees: Lewis Carroll, Charles, Dickens, Arthur Conan Doyle, and Oscar Wilde.

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Astigmatism is the most common vision problem. It may accompany nearsightedness or farsightedness. It is usually caused by an irregularly shaped cornea, but sometimes it is the result of an irregularly shaped lens. Either type can be corrected by eyeglasses, contact lenses, or refractive surgery.

An enlarged heart showing the results of cardiomyopathy. An enlarged heart showing the results of cardiomyopathy.
The cardiovascular system. A schematic view of the closed circulation of blood. The heart is section The cardiovascular system. A schematic view of the closed circulation of blood. The heart is section
liver and biliary systems liver and biliary systems
Regulation of liver hexokinase by protein–protein interactions Regulation of liver hexokinase by protein–protein interactions
Histology of the Liver Histology of the Liver
Video: Pressure volume relationships - Normal inspiration and expiration

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