Intranasal oxycodone self-administration in non-dependent opioid abusers
Experimental and Clinical Psychopharmacology (2012) - Comment
pubmed: 22686495  doi: 10.1037/a0028327  issn: 1936-2293  issn: 1064-1297 

Lisa S. Middleton, Michelle R. Lofwall, Paul A. Nuzzo, Anthony J. Siegel, Sharon L. Walsh