title: The utility of routinely collected data in evaluating important policy changes: the New Zealand alcohol purchasing age limit example.
mesh_terms: D000293:Adolescent; D000367:Age Factors; D000434:Alcoholic Beverages / Q000506:poisoning*; D003625:Data Collection / Q000379:methods*; D006760:Hospitalization / Q000706:statistics & numerical data*; D006801:Humans; D009520:New Zealand / Q000453:epidemiology; D016012:Poisson Distribution; D011640:Public Policy; D014754:Violence / Q000706:statistics & numerical data*; D055815:Young Adult