RT Journal Article SR Electronic T1 Cardiovascular Syphilis JF The British Journal of Venereal Diseases JO Br J Vener Dis FD BMJ Publishing Group Ltd SP 74 OP 85 DO 10.1136/sti.31.2.74 VO 31 IS 2 A1 O'Brien, John F. A1 Smith, Clarence A. A1 Fisherkeller, M. A. YR 1955 UL http://sti.bmj.com/content/31/2/74.abstract AB