PT - JOURNAL ARTICLE AU - F Forster TI - Use of a demographic base map for the presentation of areal data in epidemiology. AID - 10.1136/jech.20.4.165 DP - 1966 Oct 01 TA - British Journal of Preventive & Social Medicine PG - 165--171 VI - 20 IP - 4 4099 - http://jech.bmj.com/content/20/4/165.short 4100 - http://jech.bmj.com/content/20/4/165.full SO - Br J Prev Soc Med1966 Oct 01; 20