@article{article, title = {{Informing efficient randomised controlled trials: Exploration of challenges in developing progression criteria for internal pilot studies}}, url = {{http://eprints.whiterose.ac.uk/113084/ }}, year = {{2017}}, month = {{2}}, author = {{Avery KNL and Williamson PR and Gamble C and Francischetto EOC and Metcalfe C and Davidson P and Williams H and Blazeby JM and Blencowe N and Bugge C and Campbell M et al}}, doi = {{10.1136/bmjopen-2016-013537}}, volume = {{7}}, journal = {{BMJ Open}}, issue = {{e013537}}, note = {{Accessed on 2025/06/28}}}