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Ramesh 'Sunny' Balwani has long been a key figure at the company and one of the closest confidants of the company's founder and CEO, Elizabeth Holmes.
The higher number of abnormal test results, researchers wrote, 'can have negative consequences for medicine in the form of extra testing, additional patient visits to clinics/hospitals, and added doctor services.'
Fortune's Roger Parloff spoke with the general counsel at Theranos to investigate claims made in a recent 'Wall Street Journal' article. Here's what he discovered.