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Patients should never assume they are being given the appropriate drugs. They should make sure they know which drugs are being prescribed, and always double-check that the drugs received match the prescription.

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Vampire bats have a natural anticoagulant in their saliva that permits continuous bleeding after they painlessly open a wound with their incisors. This capillary blood does not cause any significant blood loss to their victims.

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In 2012, nearly 24 milliion Americans, aged 12 and older, had abused an illicit drug, according to the National Institute on Drug Abuse (NIDA).

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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.

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Once thought to have neurofibromatosis, Joseph Merrick (also known as "the elephant man") is now, in retrospect, thought by clinical experts to have had Proteus syndrome. This endocrine disease causes continued and abnormal growth of the bones, muscles, skin, and so on and can become completely debilitating with severe deformities occurring anywhere on the body.

Diverticulosis. Figure illustrates external and internal appearance of diverticula. Diverticulosis. Figure illustrates external and internal appearance of diverticula.
Bone marrow transplant. A bone marrow transplant is usually extracted from red bone marrow within a Bone marrow transplant. A bone marrow transplant is usually extracted from red bone marrow within a
Comparison of compact and spongy bone. Comparison of compact and spongy bone.
In a gear-type oil pump, the oil flows through the pump around the outside of each gear. This is an ... In a gear-type oil pump, the oil flows through the pump around the outside of each gear. This is an ...
A severe case of delayed contact dermatitis (Type IV hypersensitivity) from wearing latex gloves. A severe case of delayed contact dermatitis (Type IV hypersensitivity) from wearing latex gloves.
Bone Surface Markings: Head Bone Surface Markings: Head
Video: The pH scale - Strong acids and Weak acids

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