Answers are grounded in this paper and cite their sources.
John A. O'Donnell, Judith P. Jones, Diffusion of the Intravenous Technique Among Narcotic Addicts in the United States, Journal of Health and Social Behavior, Vol. 9, No. 2, Special Issue on Recreational Drug Use (Jun., 1968), pp. 120-130
No takes yet. Share an insight, caveat, or question.
O'Donnell et al. (1968) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: