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During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).

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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.

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There are immediate benefits of chiropractic adjustments that are visible via magnetic resonance imaging (MRI). It shows that spinal manipulation therapy is effective in decreasing pain and increasing the gaps between the vertebrae, reducing pressure that leads to pain.

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Cutaneous mucormycosis is a rare fungal infection that has been fatal in at least 29% of cases, and in as many as 83% of cases, depending on the patient's health prior to infection. It has occurred often after natural disasters such as tornados, and early treatment is essential.

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The most dangerous mercury compound, dimethyl mercury, is so toxic that even a few microliters spilled on the skin can cause death. Mercury has been shown to accumulate in higher amounts in the following types of fish than other types: swordfish, shark, mackerel, tilefish, crab, and tuna.

Illustration of the Brain Lobes Showing Location of Broca’s Area and Wernicke’s Area Illustration of the Brain Lobes Showing Location of Broca’s Area and Wernicke’s Area
Phyllis Schlafly drew much of her support from working-class women who were left vulnerable by the ... Phyllis Schlafly drew much of her support from working-class women who were left vulnerable by the ...
Walker Evans, Alabama Tenant Farmer's Kitchen (Washstand with View into Dining Area of ... Walker Evans, Alabama Tenant Farmer's Kitchen (Washstand with View into Dining Area of ...
Weather Typically Associated with Cold Front (North America) Weather Typically Associated with Cold Front (North America)
Schematic representation of MHC class II molecule, consisting of 2 α-domains and 2 β-domains, the ... Schematic representation of MHC class II molecule, consisting of 2 α-domains and 2 β-domains, the ...
Circular friction to gluteal muscle attachments using the fist. Use the knuckles or the middle ... Circular friction to gluteal muscle attachments using the fist. Use the knuckles or the middle ...
Video: System organization - PPM system types (Somatic, Autonomic & Enteric) and Reflex arc types

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