title: When suddenly the evaluation became a validation.
authors.affiliation: Public Health Unit, Heinrich-Heine-University Duesseldorf, Moorenstrasse 5, 40225 Duesseldorf, Germany; Strategic Market Access Intelligence, Bayer Vital GmbH, Gebäude K56, 51366 Leverkusen, Germany. Electronic address: dintsios@hhu.de.
authors.forename: C M
authors.initials: CM
authors.lastname: Dintsios
authors.affiliation: Medical Review Board of German Statutory Health Insurances Lower Saxony (MDK Niedersachsen), Hildesheimer Straße 202, 30519 Hannover, Germany.
authors.forename: C
authors.initials: C
authors.lastname: Niederstadt
mesh_terms: D006801:Humans; D016247:Information Storage and Retrieval / Q000379:methods* / Q000592:standards*; D011643:Publishing / Q000592:standards*; D012196:Review Literature as Topic; D057386:Search Engine / Q000592:standards*; D054928:Validation Studies as Topic