To cite the PhViD package:

I. Ahmed & A. Poncet (2013). PhViD: an R package for PharmacoVigilance signal Detection. R package version 1.0.6.

Corresponding BibTeX entry:

  @Manual{,
    title = {PhViD: an R package for PharmacoVigilance signal
      Detection},
    author = {I. Ahmed and A. Poncet},
    year = {2013},
    note = {R package version 1.0.6},
  }