RT Journal Article SR Electronic T1 The localisation of treponemes in skin biopsies. JF Genitourinary Medicine JO Genitourin Med FD BMJ Publishing Group Ltd SP 408 DO 10.1136/sti.69.5.408-a VO 69 IS 5 A1 Bosma, R B YR 1993 UL http://sti.bmj.com/content/69/5/408.2.abstract AB