Louis S, Elizabeth A, Cynthia C and Terry T (2014). attribRisk: Estimates population attributable risk and confidence intervals.. R package version 0.1, http://CRAN.R-project.org/package=attribRisk.

Corresponding BibTeX entry:

  @Manual{,
    title = {{attribRisk}: Estimates population attributable risk and
      confidence intervals.},
    author = {Schenck Louis and Atkinson Elizabeth and Crowson Cynthia
      and Therneau Terry},
    year = {2014},
    note = {R package version 0.1},
    url = {http://CRAN.R-project.org/package=attribRisk},
  }