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  http://www.cbsnews.com/news/timeline-artificial-hearts/
 Dr. John gibbions had used his artifial heart design in his open heart to prove that a machine can temporarly mimic the things a heart can
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  http://www.cbsnews.com/news/timeline-artificial-hearts/
 a institute sets a goal to have a artifial heart designed by 1970
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  http://www.cbsnews.com/news/timeline-artificial-hearts/
 Dr.Michael D. of houstan texas used a piece of the artifial heart
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  http://www.cbsnews.com/news/timeline-artificial-hearts/
 Dr.Christaan Barnard does the first ever human transplant in south africa patient dies 18 days after
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  http://www.cbsnews.com/news/timeline-artificial-hearts/
 A total artifial heart is transplanted in to a patient by Dr.Denten Cooley