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Methamphetamine abuse and dependence (MA) discharges in California, per 10 000 persons in 1983 through 2008.
Note. Fitted exponentials for 3 successive growth phases are as follows: MA = 0.749e0.230t, MA = 2.014e0.252t, MA = 3.824e0.165t; entire period: MA = 1.889e0.069t.
