RT Journal Article SR Electronic T1 Hypoxemia from patent foramen ovale in a 65-year-old woman with carcinoid heart disease JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP E933 OP E936 DO 10.1503/cmaj.180243 VO 190 IS 31 A1 Chengyue Yang A1 Aditya Sharma YR 2018 UL http://www.cmaj.ca/content/190/31/E933.abstract