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Which medical research professor first questioned Theranos' technology?

  • John Ioannidis

  • Eleftherios Diamandis

  • David Sinclair

  • Robert Gallo

Answer

John Ioannidis, a medical research professor, was the first to question the validity of Theranos' technology. His skepticism was later supported by professor Eleftherios Diamandis and investigative journalist John Carreyrou.
B

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