Associations between physical behaviour patterns and levels of depressive symptoms, anxiety and well-being in middle-aged adults: a cross-sectional study using isotemporal substitution models

Author(s)	Dillon C B, McMahon E, O’Regan G, Perry I J
Journal / Source	http://bmjopen.bmj.com/content/bmjopen/8/1/e018978.full.pdf
Date	January 2018