AUTHOR=Zakaryan Arman , Ginosyan Knarik TITLE=Perioperative Management of Patients With Ankylosing Spondylitis Undergoing Spine Surgery JOURNAL=Frontiers in Pharmacology VOLUME=11 YEAR=2020 URL=https://www.frontiersin.org/journals/pharmacology/articles/10.3389/fphar.2020.01017 DOI=10.3389/fphar.2020.01017 ISSN=1663-9812