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APA Citation
Macleod, J., Davey Smith, G., Heslop, P., Metcalfe, C., Carroll, D., & Hart, C. (2001). are the effects of psychosocial exposures attributable to confounding? Evidence from a prospective observational study on psychological stress and mortality. Journal of epidemiology and community health, 55(12), 878–884. http://access.bl.uk/ark:/81055/vdc_100135140852.0x000020