title: Commentary: Berkson's fallacy and missing data.
authors.affiliation: Department of Epidemiology, UNC-Chapel Hill, Chapel Hill, NC, USA and Department of Medical Statistics and Centre for Statistical Methodology, London School of Hygiene and Tropical Medicine, London, UK.
authors.forename: Daniel
authors.initials: D
authors.lastname: Westreich
authors.forename: Rhian M
authors.initials: RM
authors.lastname: Daniel
mesh_terms: D015982:Bias; D004812:Epidemiologic Methods; D006753:Hospital Records / Q000706:statistics & numerical data*