RT Journal Article SR Electronic T1 Syphilis of the Lung JF The British Journal of Venereal Diseases JO Br J Vener Dis FD BMJ Publishing Group Ltd SP 126 OP 130 DO 10.1136/sti.26.3.126 VO 26 IS 3 A1 I. M. Librach YR 1950 UL http://sti.bmj.com/content/26/3/126.abstract AB