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  1. Article

    Open Access

    Methods for evaluating innovative surgery: a nested ideal phase 2 study within an external randomised pilot (the ROMIO trial)

    Jane Blazeby, Richard Berrisford, Dan Titcomb, Andrew Hollowood, Grant Sanders in Trials (2015)

  2. Article

    Open Access

    The impact of a two or three-group RCT design on blinding of patients

    Kerry Avery, Chris Metcalfe, Paul Barham, Richard Berrisford, Grant Sanders in Trials (2015)