To cite this package in publications, please use the first citation if analyzing unmeasured confounding in a single observational study or the second citation if analyzing a meta-analysis, and the third citation if assessing selection bias: Tyler J VanderWeele, Peng Ding (2017). Sensitivity analysis in observational research: introducing the E-value. Annals of Internal Medicine, 167(4), 268-274. A BibTeX entry for LaTeX users is @Article{, title = {Sensitivity analysis in observational research: introducing the E-value}, author = {Tyler J VanderWeele and Peng Ding}, journal = {Annals of Internal Medicine}, year = {2011}, volume = {167}, number = {4}, pages = {268--274}, } Maya B. Mathur, Tyler J. VanderWeele (2019). Sensitivity analysis for unmeasured confounding in meta-analyses. Journal of the American Statistical Association. A BibTeX entry for LaTeX users is @Article{, title = {Sensitivity analysis for unmeasured confounding in meta-analyses}, author = {Maya B. Mathur and Tyler J. VanderWeele}, journal = {Journal of the American Statistical Association>}, year = {2019}, } Louisa H. Smith, Tyler J. VanderWeele (2019). Bounding bias due to selection. Epidemiology. A BibTeX entry for LaTeX users is @Article{, title = {Bounding bias due to selection}, author = {Louisa H. Smith and Tyler J. VanderWeele}, journal = {Epidemiology}, year = {2019}, }