RT Journal Article SR Electronic T1 Epidemiology of Gonorrhoea in Finland in 1953 to 1955 JF The British Journal of Venereal Diseases JO Br J Vener Dis FD BMJ Publishing Group Ltd SP 70 OP 77 DO 10.1136/sti.33.2.70 VO 33 IS 2 A1 A. S. Härö A1 R. Pätiälä YR 1957 UL http://sti.bmj.com/content/33/2/70.abstract AB