TY - JOUR T1 - SOCIETY FOR SOCIAL MEDICINE JF - British Journal of Preventive & Social Medicine JO - Br J Prev Soc Med SP - 110 LP - 110 DO - 10.1136/jech.17.2.110 VL - 17 IS - 2 A2 - , Y1 - 1963/04/01 UR - http://jech.bmj.com/content/17/2/110.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -