TY - JOUR T1 - Cost benefit analysis consists of weak definitions on both sides of the equation (Lowell Levin) JF - Journal of Epidemiology and Community Health JO - J Epidemiol Community Health SP - 14 LP - 14 VL - 59 IS - 1 AU - John R Ashton Y1 - 2005/01/01 UR - http://jech.bmj.com/content/59/1/14.abstract N2 - “Cost benefit analysis … ER -