Photos: Ten best marijuana concentrates of 2013

Editor's note: William Breathes became the planet's first professional medical marijuana critic when he joined Westword in 2009, and since then, he's emerged as the local expert on all things cannabis.

Today, he lists his ten favorite marijuana concentrates of 2013.

Check out his choices below, and click on the accompanying links to read his original reviews of the shops that made the cut.

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William Breathes
Contact: William Breathes