Assessing the validity of surrogate endpoints in the context of a controversy about the measurement of effectiveness of hepatitis C virus treatment
Claudia C Dobler, Rebecca L Morgan, Yngve Falck-Ytter, Victor M Montori, M Hassan Murad
BMJ Evidence-Based Medicine Apr 2018, 23 (2) 50-53; DOI: 10.1136/bmjebm-2017-110852