https://lawliberty.org/book-review/the-canary-in-the-feds-coal-mine/
https://www.socialeurope.eu/2017/07/european-safe-bond-handle-care/
http://invs.santepubliquefrance.fr/publications/etat_sante_2017/ESP2017_Ouvrage_complet_vdef.pdf
https://www.nber.org/system/files/working_papers/w27488/w27488.pdf