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. Author manuscript; available in PMC: 2016 Apr 1.
Published in final edited form as: Drug Alcohol Depend. 2015 Feb 10;149:173–179. doi: 10.1016/j.drugalcdep.2015.01.043

Figure 1.

Figure 1

Number of states with permissive MLDA laws from 1967-1992.

Many states adopted permissive MLDA laws (ability to purchase alcohol <21 years of age) during the 1970s. States began raising the MLDA back to 21 years in the late 1970s and 1980s.