Back to matchesWe found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitlePatent Foramen Ovale Is Not Associated with Hypoxemia in Severe Chronic Obstructive Pulmonary Disease and Does Not Impair Exercise Performance.AuthorsShaikh, Zarrin F.; Kelly, Julia L.; Shrikrishna, Dinesh; de Villa, Manuel; Mullen, Michael J.; Hopkinson, Nicholas S.; Morrell, Mary J.; Polkey, Michael I.PublicationAmerican Journal of Respiratory & Critical Care Medicine, 2014, Vol 189, Issue 5, p540ISSN1073-449XPublication typeArticleDOI10.1164/rccm.201309-1618OC