RT Journal Article SR Electronic T1 Modern Interpretations Of Serum Tests JF The British Journal of Venereal Diseases JO Br J Vener Dis FD BMJ Publishing Group Ltd SP 75 OP 77 DO 10.1136/sti.25.2.75 VO 25 IS 2 YR 1949 UL http://sti.bmj.com/content/25/2/75.abstract AB