Before Edward Chu entered his fourth year at Icahn School of Medicine at Mount Sinai in New York, he took a 12-month sabbatical to launch his first clinical trial. He wanted to evaluate whether patients using an anti-blood-clotting drug, usually to prevent heart attacks, should stop before general surgery. He thought that if he dedicated himself to the project for 12 months, he could wrap up any loose ends before he graduated in 2013. That was optimistic, to say the least.
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