| http://www.w3.org/ns/prov#value | - The U.S. Department of Health and Human Services states that alcohol is a key factor in up to 68 percent of manslaughters, 62 percent of assaults, 54 percent of murders/attempted murders. andrewpallarca|Points 21494|User: The interaction of two drugs in such a way that the total effect is greater than the sum of the individual effects is called ___________
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