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There are over 65,000 known species of protozoa. About 10,000 species are parasitic.

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HIV testing reach is still limited. An estimated 40% of people with HIV (more than 14 million) remain undiagnosed and do not know their infection status.

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Most women experience menopause in their 50s. However, in 1994, an Italian woman gave birth to a baby boy when she was 61 years old.

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The FDA recognizes 118 routes of administration.

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Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.

Tickler file using a file drawer. Tickler file using a file drawer.
A direct injection diesel engine injects the fuel directly into the combustion chamber. Many ... A direct injection diesel engine injects the fuel directly into the combustion chamber. Many ...
To broaden and lift the quadriceps muscles, place the heels of the hands together directly on top of ... To broaden and lift the quadriceps muscles, place the heels of the hands together directly on top of ...
Apply knee to chest stretch for posterior hip and leg muscles. Facing the table directly, place one ... Apply knee to chest stretch for posterior hip and leg muscles. Facing the table directly, place one ...
Traction neck with head in neutral position. With recipient’s face directly up, hold head at ... Traction neck with head in neutral position. With recipient’s face directly up, hold head at ...
When viewed from the Earth, Venus subtends an angle of about 1 arcminute (1/60°) when it is at ... When viewed from the Earth, Venus subtends an angle of about 1 arcminute (1/60°) when it is at ...
Video: Methods of carbon dioxide transport - carbaminohemoglobin and bicarbonate ions

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