Canna~Fangled Abstracts Topical application of THC containing products is not able to cause positive cannabinoid finding in blood or urine. Forensic Sci Int. 2017 Jan 16;272:68-71. doi: 10.1016/j.forsciint.2017.01.008. Hess C1, Krämer M2, Madea B2. Author information Abstract A…Freedom WaresJanuary 16, 2017
