1. Centre d’épidémiologie sur les causes médicales de décès, http://www.cepidc.vesinet.inserm.fr/
2. Centers for Disease Control: Compressed Mortality Database ( http://wonder.cdc.gov/controller/datarequest/D43 )
3. Centers for Disease Control: Multiple Cause-Of-Death Public-Use Data Files, http://www.cdc.gov/nchs/products/elec_prods/subject/mortmcd.htm
4. Cranston, J.W., Williams, M.A., Nielsen, N.H., Bezman, R.J., For the American Medical Association Council on Scientific Affairs: Unlabeled indications of food and drug administration: approved drugs. Drug Inf. J. 32, 1049–1061 (1998)
5. Food and Drug Administration: Drugs@FDA Database, http://www.fda.gov/cder/drugsatfda/datafiles/default.htm