Research to assess the contribution that the introduction of MPA in Wales has made to any changes in alcohol related behavioural, consumption and retail outcomes.
Ymchwil asesu’r cyfraniad mae cyflwyno’r IaA yng Nghymru wedi ei gael i unrhyw newidiadau mewn ymddygiad sy’n gysylltiedig ag alcohol, mewn defnydd a deilliannau manwerthu.