Jack Andraka, 14, lost his father to pancreatic cancer.


Mr.jolly
 
Jack Andraka, 14, lost his father to pancreatic cancer.
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Jack Andraka, 14, lost his father to pancreatic cancer. - Research, The science, Scientists, Biology, Nauchpop, Repeat, Teenagers
Biology Research The science Nauchpop Repeat Teenagers Scientists
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