@article{P. Caulkins2018, author = "Jonathan P. Caulkins and Gernot Tragler and Dagmar Wallner", title = "{Optimal Timing of Use vs. Harm Reduction in an SA Model of Drug Epidemics}", year = "2018", month = "6", url = "https://kilthub.cmu.edu/articles/journal_contribution/Optimal_Timing_of_Use_vs_Harm_Reduction_in_an_SA_Model_of_Drug_Epidemics/6471767", doi = "10.1184/R1/6471767.v1" }