Marcellin P, Roberts SK, Reddy KR, Harrison SA, Jensen DM, Hadziyannis S, Diago M, Weltman M, Messinger D, Tatsch F, Rizzetto M. Safety profile of standard- vs. high-dose peginterferon alfa-2a plus standard-dose ribavirin in HCV genotype 1/4 patients: pooled analysis from 5 randomized studies. Expert Opin Drug Saf. 2012 Nov; 11(6):901-9.