Versions of Massachusetts General Laws ch. 94G sec. 17 - Research agenda; social and economic trends and public health impacts of marijuana on LawServer 2023 Massachusetts General Laws ch. 94G sec. 17 – Research agenda; social and economic trends and public health impacts of marijuana 2022 Massachusetts General Laws ch. 94G sec. 17 – Research agenda; social and economic trends and public health impacts of marijuana 2020 Massachusetts General Laws ch. 94G sec. 17 – Research agenda; social and economic trends and public health impacts of marijuana 2019 Massachusetts General Laws ch. 94G sec. 17 – Research agenda; social and economic trends and public health impacts of marijuana 2017 Massachusetts General Laws ch. 94G sec. 17 – Research agenda; social and economic trends and public health impacts of marijuana