RT Journal Article SR Electronic T1 X-Ray Photography of Unerupted Permanent Teeth in Congenital Syphilis JF The British Journal of Venereal Diseases JO Br J Vener Dis FD BMJ Publishing Group Ltd SP 190 OP 196 DO 10.1136/sti.37.3.190 VO 37 IS 3 A1 Tauno Putkonen A1 Yrjö V. Paatero YR 1961 UL http://sti.bmj.com/content/37/3/190.abstract AB