PT - JOURNAL ARTICLE AU - Finkel, Madelon L AU - Hays, Jake TI - Environmental and health impacts of ‘fracking’: why epidemiological studies are necessary AID - 10.1136/jech-2015-205487 DP - 2016 Mar 01 TA - Journal of Epidemiology and Community Health PG - 221--222 VI - 70 IP - 3 4099 - http://jech.bmj.com/content/70/3/221.short 4100 - http://jech.bmj.com/content/70/3/221.full SO - J Epidemiol Community Health2016 Mar 01; 70