TY - JOUR T1 - Electronic cigarettes, smoking and population health JF - Clinical Medicine JO - Clin Med SP - 334 LP - 337 DO - 10.7861/clinmedicine.14-4-334 VL - 14 IS - 4 AU - John Britton AU - Ilze Bogdanovica AU - Richard Ashcroft AU - Ann McNeill Y1 - 2014/08/01 UR - http://www.rcpjournals.org/content/14/4/334.abstract ER -