Introduction. The origin of CFCs could be traced to the miraculous refrigerant, freon – 12 , discovered in 1930 by scientists in the Frigidair Division of General Motors in US..Read more
Hematomas are usually caused by trauma, whether it is the result of a car accident, a minor bump, a cough, or an unknown event. The blood within blood vessels is continually flowing and therefore does not clot or coagulate... Read more
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