TY - JOUR T1 - Assessing the validity of surrogate endpoints in the context of a controversy about the measurement of effectiveness of hepatitis C virus treatment JF - BMJ Evidence-Based Medicine JO - BMJ EBM SP - 50 LP - 53 DO - 10.1136/bmjebm-2017-110852 VL - 23 IS - 2 AU - Claudia C Dobler AU - Rebecca L Morgan AU - Yngve Falck-Ytter AU - Victor M Montori AU - M Hassan Murad Y1 - 2018/04/01 UR - http://ebm.bmj.com/content/23/2/50.abstract N2 - ER -