请检查|access-date=中的日期值 (帮助) Painfully Obvious - A Community Resource Fact sheets and HarmReduction Strategies About Depressants and Other Recreational Drugs U.S. Department
addicts? Empirical evidence from the Indonesian Family Life Survey. HarmReduction Journal. 2011, 8: 6. PMC 3050689 . PMID 21345229. doi:10.1186/1477-7517-8-6
ISBN 0-226-79012-6 Tupper, Kenneth. The Globalization of Ayahuasca: HarmReduction or Benefit Maximization?. International Journal of Drug Policy. August