Two-step Randomisation: Applying the Results of Small Feasibility Studies of Interventions to Large-scale Mendelian Randomisation Studies to Robustly Infer Causal Effects on Clinical Endpoints
Preprint published in 2019 by
Meda R. Sandu,
George Davey Smith,
Rhona Beynon,
Rebecca Richmond,
Lucy Hackshaw-Mcgeagh,
Diana L. Santos Ferreira 
,
Chris Metcalfe,
J. Athene Lane,
Richard Martin
,
Chris Metcalfe,
J. Athene Lane,
Richard Martin
