Marijuana purity under a microscope – azcentral.com

Marijuana purity under a microscope azcentral.com Hunched over a microscope, Steve Cottrell peered at a bud from a plant that is increasingly used as medicine in Arizona and across the nation. He pointed at a computer screen that glowed with a magnified image of the marijuana bud. The sample, the size …

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Marijuana purity under a microscope – azcentral.com

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