RT Journal Article SR Electronic T1 Acute and chronic biological false positive reactors to serological tests for syphilis. ABO blood groups and other investigations. JF The British Journal of Venereal Diseases JO Br J Vener Dis FD BMJ Publishing Group Ltd SP 428 OP 434 DO 10.1136/sti.50.6.428 VO 50 IS 6 YR 1974 UL http://sti.bmj.com/content/50/6/428.abstract AB