Intravenous and intranasal heroin dependent treatment seekers: Similarities and differences

Highfield DA, Schwartz RP, Jaffe JH, Callaman J, O’Grady KE (2007). Intravenous and intranasal heroin dependent treatment seekers: Similarities and differences. Addiction. 102(11), 1816-23. Epub 2007 Sep 3. PMID: 17784892.