title: Funnels for publication bias--have we lost the plot?
authors.affiliation: Department of Anaesthesiology, The University of Hong Kong, Hong Kong, Hong Kong Special Administrative Region. htswchoi@hku.hk.
authors.forename: S W
authors.initials: SW
authors.lastname: Choi
authors.affiliation: Department of Anaesthesiology, Queen Mary Hospital, Hong Kong, Hong Kong Special Administrative Region.
authors.forename: D M H
authors.initials: DM
authors.lastname: Lam
mesh_terms: D006801:Humans; D015201:Meta-Analysis as Topic; D017594:Publication Bias / Q000706:statistics & numerical data*