Show 50 5 10 15 20 50 100 250 Sort by year (new to old) Actions Download search results Subscribe to news feed Your filters: cql: keyword exact "randomized clinical-trials" cql: author exact 002004661109 or (type exact bookEditor and editor exact 002004661109) Add to list Journal Article A1 open access CORRECTING INSTRUMENTAL VARIABLES ESTIMATORS FOR SYSTEMATIC MEASUREMENT ERROR Stijn Vansteelandt (UGent) , Manoochehr Babanezhad (UGent) and Els Goetghebeur (UGent) (2009) STATISTICA SINICA. 19(3). p.1223-1246