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More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.

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Most strokes are caused when blood clots move to a blood vessel in the brain and block blood flow to that area. Thrombolytic therapy can be used to dissolve the clot quickly. If given within 3 hours of the first stroke symptoms, this therapy can help limit stroke damage and disability.

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Thyroid conditions may make getting pregnant impossible.

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For pediatric patients, intravenous fluids are the most commonly cited products involved in medication errors that are reported to the USP.

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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.

Lymphatic vessels (green) pick up excess tissue fluid, purify it in lymph nodes, and return it to th Lymphatic vessels (green) pick up excess tissue fluid, purify it in lymph nodes, and return it to th
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The strange situation. The Strange Situation features a series of episodes in which (a) the mother l The strange situation. The Strange Situation features a series of episodes in which (a) the mother l
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Video: Natural Selection, Species Isolation and Real World Example

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