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APA Citation
Carslake, D., Davey Smith, G., Gunnell, D., Davies, N., Nilsen, T. I. L., & Romundstad, P. (2018). confounding by ill health in the observed association between BMI and mortality: evidence from the HUNT Study using offspring BMI as an instrument. International journal of epidemiology, 47, 760–770. http://access.bl.uk/ark:/81055/vdc_100095509149.0x000043