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cocaine/diacetylmorphine (speedball)
A combination of heroin & cocaine.
General
pharmacologic combination
References
The Pharmacological Basis of Therapeutics, 9th ed.
Gilman et al, eds. Permagon Press/McGraw Hill, 1996 pg 568
Components
cocaine (Depsocaine, Eritroxilina)
diacetylmorphine (diamorphine, heroin)