%0 Journal Article %T Mechanisms of brief contact interventions in clinical populations: a systematic review %A Milner, Allison %A Spittal, Matthew %A Kapur, Nav %A Witt, Katrina %A Pirkis, Jane %A Carter, Greg %J BMC Psychiatry %V 16 %N 1 %P 1-10 %D 2016-06-08 %I BioMed Central %~ DeepDyve