%0 Journal Article %T Realist trials and the testing of context-mechanism-outcome configurations: a response to Van Belle et al. %A Adam Fletcher %A Chris Bonell %A Emily Warren %A Russell Viner %J Archive of "Trials". %D 2016 %R 10.1186/s13063-016-1613-9 %K Randomized controlled trials %K Realist evaluation %K Scientific realism %K Causation %U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5045599/