increased the potency of modern marijuana In this case potency adai.uw.edu http://adai.uw.edu/marijuana/factsheets/potency.htm https://adai.uw.edu/marijuana/factsheets/potency.htm In this case potency University of Washington In this case potency Potency of marijuana En este caso la potencia Dans ce cas la puissance http://adai.uw.edu/marijuana/factsheets/potency.htm potency of the cannabis University of Washington In diesem Fall http://adai.uw.edu/marijuana/factsheets/potency.htm In this case potency two and seven times as strong adai.uw.edu http://adai.uw.edu/marijuana/factsheets/potency.htm http://adai.uw.edu/marijuana/factsheets/potency.htm http://adai.uw.edu/marijuana/factsheets/potency.htm In this case potency University of Washington Alcohol and Drug Abuse Institute http://adai.uw.edu/marijuana/factsheets/potency.htm