1. National Conference of State Legislatures. (2020). State Marijuana Laws. https://www.ncsl.org/research/health/state-medical-marijuana-laws.aspx
2. Caulkins, J. P., Hawken, A., Kilmer, B., & Kleinman, M. A. (2012). Marijuana legalization: What everyone needs to know. Oxford University Press.
3. National Academies of Sciences Engineering and Medicine. (2017). The health effects of cannabis and cannabinoids: Current state of evidence and recommendations for research.
4. Colorado Department of Public Health & Environment. (2016). Monitoring health concerns related to Marijuana in Colorado: 2016.
5. Colorado Department of Public Health and Environment. (2018). Monitoring health concerns related to Marijuana in Colorado: 2018. https://drive.google.com/drive/u/0/folders/1HEDVleZsVFml12FI7Om95QZ3t4c2RrlA