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HARVARD Citation
Davies, N. et al. (n.d.). P26 How to compare instrumental variable and conventional regression analyses using negative controls and bias plots. Journal of epidemiology and community health. p. A65. [Online].
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Davies, N. et al. (n.d.). P26 How to compare instrumental variable and conventional regression analyses using negative controls and bias plots. Journal of epidemiology and community health. p. A65. [Online].