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. 2017 Sep 22;37(12):1117–1124. doi: 10.1007/s40261-017-0561-9

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© The Author(s) 2017

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Fig. 4 — Dissolution profiles of intact versus crushed extended release (ER) opioid products. The mean (± standard deviation) percent of the total amount of opioid release over 15 min is shown