Szende, Á.(2005). Health-Related Quality of Life and Other Patient-Reported Outcomes in the European Centralized Drug Regulatory Process: A Review of Guidance Documents and Performed Authorizations of Medicinal Products 1995 to 2003. Value in Health, 8(5), 534-548. doi:10.1111/j.1524-4733.2005.00051.x

Szende, Ágota. "Health-Related Quality of Life and Other Patient-Reported Outcomes in the European Centralized Drug Regulatory Process: A Review of Guidance Documents and Performed Authorizations of Medicinal Products 1995 to 2003". Value in Health, 8.5 ( 2005 ): 534-548.