VDRL titer measurement, Serum

Hook EW III & Marra CM: Acquired syphilis in adults.. N Engl J Med. 1992; 326:1060.

Calonge N: Screening for syphilis infection: recommendation statement. Ann Fam Med 2004; 2(4):362-365.

None Listed: Sexually transmitted diseases treatment guidelines 2002. Centers for Disease Control and Prevention. MMWR Recomm Rep 2002; 51(RR-6):1-78.

Larsen SA, Steiner BM, & Rudolph AH: Laboratory diagnosis and interpretation of tests for syphilis.. Clin Microbiol Rev 1995; 8:1-21.

van der Sluis JJ: Laboratory techniques in the diagnosis of syphilis: a review.. Genitourin Med 1992; 68:413-419.