@article{pearl:bar19-r478,
  author = 	 "Pearl, J.\ and Bareinboim, E.",
  title = 	 "A note on `Generalizability of Study Results'"
  journal =      "Journal of Epidemiology",
  volume	 "30",
  issue = 	 "2",
  year = 	 2019,
  pages =	 "186--188"
}