RT Journal Article SR Electronic T1 INVESTIGATIONS IN THE SERODIAGNOSIS OF SYPHILIS JF The British Journal of Venereal Diseases JO Br J Vener Dis FD BMJ Publishing Group Ltd SP 84 OP 86 DO 10.1136/sti.21.2.84 VO 21 IS 2 A1 Ashken, L. Handley YR 1945 UL http://sti.bmj.com/content/21/2/84.abstract AB