"Pair of police forces in B.C. decides against using federally approved pot-screening device" https://t.co/T7t8lZCAbh – A study from the Journal of Analytical Toxicology raised concerns about a number of false-positive and false-negative results, based on screenings in Norway.
— Satya Metaclorien (@metaclorien) September 27, 2018
from Twitter https://twitter.com/metaclorien
September 27, 2018 at 10:46AM
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