RT Journal Article SR Electronic T1 Coronary ostial stenosis and aortic aneurysm caused by syphilis JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP E369 OP E369 DO 10.1503/cmaj.151133 VO 189 IS 9 A1 Fergus To A1 Omid Kiamanesh YR 2017 UL http://www.cmaj.ca/content/189/9/E369.abstract AB