Article info

Examining the empirical evidence for IDEAL 2b studies: the effects of preceding prospective collaborative cohort studies on the quality and impact of subsequent randomized controlled trials of surgical innovations – protocol for a systematic review and case–control analysis

Authors

  1. Correspondence to Peter McCulloch peter.mcculloch{at}nds.ox.ac.uk
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Citation

Ibrahim M, Paez A, Yu J, et al
Examining the empirical evidence for IDEAL 2b studies: the effects of preceding prospective collaborative cohort studies on the quality and impact of subsequent randomized controlled trials of surgical innovations – protocol for a systematic review and case–control analysis

Publication history

  • Received October 25, 2021
  • Accepted June 6, 2022
  • First published November 3, 2022.
Online issue publication 
November 03, 2022
  • Supplementary Data

    This web only file has been produced by the BMJ Publishing Group from an electronic file supplied by the author(s) and has not been edited for content.

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