RT Journal Article SR Electronic T1 Cardiolipin AntigenII. A Quantitative Examination of Sensitivity JF The British Journal of Venereal Diseases JO Br J Vener Dis FD BMJ Publishing Group Ltd SP 169 OP 178 DO 10.1136/sti.28.4.169 VO 28 IS 4 A1 Schmidt, Henning YR 1952 UL http://sti.bmj.com/content/28/4/169.abstract AB