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HARVARD Citation
Wan, F. et al. (2015). Bias in estimating the causal hazard ratio when using two‐stage instrumental variable methods. Statistics in medicine. pp. 2235-2265. [Online].
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Wan, F. et al. (2015). Bias in estimating the causal hazard ratio when using two‐stage instrumental variable methods. Statistics in medicine. pp. 2235-2265. [Online].