RT Journal Article SR Electronic T1 Syphilis in art: an entertainment in four parts. Part 3. JF Genitourinary Medicine JO Genitourin Med FD BMJ Publishing Group Ltd SP 208 OP 221 DO 10.1136/sti.66.3.208 VO 66 IS 3 A1 R S Morton YR 1990 UL http://sti.bmj.com/content/66/3/208.abstract AB