Show 10 5 10 15 20 50 100 250 Sort by year (new to old) Actions Download search results Subscribe to news feed Your filters: cql: author="Grieve, Richard" or (type any "bookEditor issueEditor" and editor="Grieve, Richard") Add to list Journal Article A1 open access Two stage least squares with time-varying instruments : an application to an evaluation of treatment intensification for type-2 diabetes Daniel Tompsett, Stijn Vansteelandt (UGent) , Richard Grieve, John Robson and Manuel Gomes (2026) STATISTICAL METHODS IN MEDICAL RESEARCH. 35(2). p.346-369 Add to list Journal Article A1 open access Instrumental variable approaches for estimating time-varying treatment effects in comparative effectiveness research Daniel Tompsett, Stijn Vansteelandt (UGent) , Richard Grieve, Will Dixon and Manuel Gomes (2025) BMC MEDICAL RESEARCH METHODOLOGY. 25(1).