RT Journal Article SR Electronic T1 Mackenna's Diseases of the Skin JF The British Journal of Venereal Diseases JO Br J Vener Dis FD BMJ Publishing Group Ltd SP 39 OP 39 DO 10.1136/sti.29.1.39 VO 29 IS 1 A1 D. I. W. YR 1953 UL http://sti.bmj.com/content/29/1/39.1.abstract AB