Commentary: Should we always deliberately be non-representative?
Department of Non-communicable Disease Epidemiology, London School of Hygiene & Tropical Medicine, London,UK and MRC Centre for Causal Analyses in Translational Epidemiology, University of Bristol, Bristol, UK.
Shah
S
Ebrahim
George
G
Davey Smith
D016021:Epidemiologic Studies; D012494:Sampling Studies