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by Egger, Matthias; Higgins, Julian P. T.; Davey Smith, George
by Davey Smith, George; Richmond, Rebecca; Pingault, Jean-Baptiste
by Bartley, Mel; Blane, David; Davey Smith, George
by Egger, Matthias; Davey Smith, George; Altman, Douglas
by Smith, George Davey
by Palmer, Lyle J.; Burton, Paul R.; Smith, George Davey
by Shaw, Mary; Thomas, Bethan; Smith, George Davey; et al.
by Editor: Matthias Egger; Editor: George Davey Smith; Editor: Douglas Altman
by Egger, Matthias; Smith, George Davey; Altman, Douglas