TY - JOUR T1 - A Rack for Use in Precipitation Tests JF - The British Journal of Venereal Diseases JO - Br J Vener Dis SP - 205 LP - 205 DO - 10.1136/sti.25.4.205 VL - 25 IS - 4 AU - I. N. Orpwood Price Y1 - 1949/12/01 UR - http://sti.bmj.com/content/25/4/205.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -