@book{273548,
	author = {Krotulski, Alex J., and National Criminal Justice Reference Service (U.S.),},
	title = {Monitoring changes in the novel psychoactive substance (NPS) market through enhanced identification of emerging drugs and their metabolites in biological samples /},
	publisher = {National Criminal Justice Reference Service,},
	year = {[2018]},
	address = {[Rockville, Md.] :},
	note = {"Document number: 251787"--Grant transmittal document.},
	url = {https://purl.fdlp.gov/GPO/gpo106249}
}