 | Up a level |
Klein, Jan Philipp; Gamon, Carla; Späth, Christina; Berger, Thomas; Meyer, Björn; Hohagen, Fritz; Hautzinger, Martin; Lutz, Wolfgang; Vettorazzi, Eik; Moritz, Steffen; Schröder, Johanna (2017). Does recruitment source moderate treatment effectiveness? A subgroup analysis from the EVIDENT study, a randomised controlled trial of an internet intervention for depressive symptoms. BMJ open, 7(7), e015391. BMJ Publishing Group 10.1136/bmjopen-2016-015391
