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There are 20 feet of blood vessels in each square inch of human skin.

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Approximately one in four people diagnosed with diabetes will develop foot problems. Of these, about one-third will require lower extremity amputation.

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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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There are 60,000 miles of blood vessels in every adult human.

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Bisphosphonates were first developed in the nineteenth century. They were first investigated for use in disorders of bone metabolism in the 1960s. They are now used clinically for the treatment of osteoporosis, Paget's disease, bone metastasis, multiple myeloma, and other conditions that feature bone fragility.

The nitrogen cycle. The five main parts of the nitrogen cycle are: The nitrogen cycle. The five main parts of the nitrogen cycle are:
Much Exploration for Oil and Gas Takes Place in Remote Parts of the World Much Exploration for Oil and Gas Takes Place in Remote Parts of the World
Phonological and Whole-Word Reading Phonological and Whole-Word Reading
IMAGES THAT DESCRIBE CELLULAR PARTS IMAGES THAT DESCRIBE CELLULAR PARTS
DNA sequence variation in parts of the Drosophila Adh gene DNA sequence variation in parts of the Drosophila Adh gene
Video: Pericarditis

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