NEW HAVEN, Conn., April 19, 2018 /PRNewswire/ — Biohaven Pharmaceutical Holding Company Ltd. (NYSE: BHVN) announced today that it will hold an investor event concurrently with the 2018 American Academy of Neurology (AAN) Annual Meeting in Los Angeles, from 6:00 p.m. to 7:30 p.m. PT on…

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