Treweek, ShaunBevan, SimonBower, PeterCampbell, MarionChristie, JacquieClarke, MikeCollett, CliveCotton, Seonaidh ClaireDevane, DeclanEl Feky, AdelFlemyng, EllaGalvin, SandraGardner, Heidi RebeccaGillies, KateJansen, JanLittleford, RobertaParker, AdwoaRamsay, CraigRestrup, LynneSullivan, FrankTorgerson, DavidTremain, LizWestmore, MatthewWilliamson, Paula R.2018-02-262018-02-262018-02-23Treweek, S, Bevan, S, Bower, P, Campbell, M, Christie, J, Clarke, M, Collett, C, Cotton, S C, Devane, D, El Feky, A, Flemyng, E, Galvin, S, Gardner, H R, Gillies, K, Jansen, J, Littleford, R, Parker, A, Ramsay, C, Restrup, L, Sullivan, F, Torgerson, D, Tremain, L, Westmore, M & Williamson, P R 2018, 'Trial Forge Guidance 1 : What is a Study Within A Trial (SWAT)', Trials, vol. 19, 139. https://doi.org/10.1186/s13063-018-2535-51745-6215ORCID: /0000-0001-7890-2854/work/79060616ORCID: /0000-0003-4043-7349/work/84131358ORCID: /0000-0001-5386-4097/work/91892091ORCID: /0000-0002-2796-6898/work/118192879ORCID: /0000-0002-7239-7241/work/186968496http://hdl.handle.net/2164/10095469350engR MedicineRJournal item10.1186/s13063-018-2535-519