Buckle up AbbVie, Amgen: Biohaven’s oral CGRP drug is gaining traction in migraine, doctors’ survey shows October 22, 2021 Auto Bot News 0 Buckle up AbbVie, Amgen: Biohaven’s oral CGRP drug is gaining traction in migraine, doctors’ survey shows aliu Fri, 10/22/2021 – 10:37