Kennedy, Andrew DMTorgerson, David J.Campbell, Marion KGrant, Adrian M2017-06-062017-06-062017-05-02Kennedy, A DM, Torgerson, D J, Campbell, M K & Grant, A M 2017, 'Subversion of allocation concealment in a randomised controlled trial : a historical case study', Trials, vol. 18, 204. https://doi.org/10.1186/s13063-017-1946-z1745-6215ORCID: /0000-0001-5386-4097/work/91892113http://hdl.handle.net/2164/8757Acknowledgements The Health Services Research Unit is core funded by the Chief Scientist Office of the Scottish Health and Social Care Directorates. The views expressed are those of the authors alone.516023engrandomisationsealed envelopesallocation concealmentsubversion of randomisationR MedicineChief Scientist Office (CSO)RSubversion of allocation concealment in a randomised controlled trial : a historical case studyJournal article10.1186/s13063-017-1946-z18