After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.
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All adverse reactions are commonly charted in red ink in the patient's record and usually are noted on the front of the chart. Failure to follow correct documentation procedures may result in malpractice lawsuits.
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The average office desk has 400 times more bacteria on it than a toilet.
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Essential fatty acids have been shown to be effective against ulcers, asthma, dental cavities, and skin disorders such as acne.
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The term bacteria was devised in the 19th century by German biologist Ferdinand Cohn. He based it on the Greek word "bakterion" meaning a small rod or staff. Cohn is considered to be the father of modern bacteriology.
Cutaway of a V-8 engine showing the lifters, pushrods, roller rocker arms, and valves.
Coolant flow through a typical engine cooling system.
A single overhead camshaft engine with a timing belt that also rotates the water pump.
The engine is rotated until the timing marks on the front of the crankshaft line up with zero ...
A fuel-pressure reading does not confirm that there is enough fuel volume for the engine to ...
(A) X-ray technician performs a mammogram. (National Cancer Institute/Creator: Alan Hoofring ...