Trials · 2021 · 19 citations · 27 references
The study was registered in the German Clinical Trials Registry (Deutsches Register Klinischer Studien (DRKS)) in early 2019 under the number 00020592. This registry has been affiliated with the WHO Clinical Trials Network ( https://www.drks.de/drks_web/setLocale_EN.do ) since 2008. It is based on the WHO template, but contains some additional categories for which information has to be given ( https://www.drks.de/drks_web/navigate.do?navigationId=entryfields&messageDE=Beschreibung%20der%20Eingabefelder&messageEN=Description%20of%20entry%20fields ). A release and subsequent number assignment only take place when information for all categories has been given.
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Development and preliminary testing of the new five-level version of EQ-5D (EQ-5D-5L)
Michael Herdman, Claire Gudex, Andrew Lloyd et al. · Quality of Life Research · 2011 · 9.2K citations · Full text