Biggs, Katie ;
Hind, Daniel ;
Gossage-Worrall, Rebecca...
Biggs , K , Hind , D , Gossage-Worrall , R , Sprange , K , White , D , Wright , J , Chatters , R , Berry , K , Papaioannou , D , Bradburn , M , Walters , S J & Cooper , C 2020 , ' Challenges in the design, planning and implementation of trials evaluating group interventions ' , Trials , vol. 21 , no. 1 , 116 . https://doi.org/10.1186/s13063-019-3807-4.
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2020