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- Journal Article
- A1
- open access
Re : a cautionary note on extended Kaplan–Meier curves for time-varying covariates
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Adjusting the effect of integrating antiretroviral therapy and tuberculosis treatment on mortality for noncompliance : a time-varying instrumental variables analysis
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Attrition bias related to missing outcome data : a longitudinal simulation study
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Eliminating survivor bias in two-stage instrumental variable estimators
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- Miscellaneous
- open access
Asking too much of epidemiologic studies : the problem of collider bias and the obesity paradox