Ghosh, Tista S.; Van Dyke, Michael; Maffey, Ali; Whitley, Elizabeth; Erpelding, Dana; Wolk, Larry (March 12, 2015). "Medical Marijuana's Public Health Lessons — Implications for Retail Marijuana in Colorado". New England Journal of Medicine. 372 (11): 991–993. doi:10.1056/nejmp1500043. ISSN0028-4793. PMID25760352.
Ghosh, Tista S.; Van Dyke, Michael; Maffey, Ali; Whitley, Elizabeth; Erpelding, Dana; Wolk, Larry (March 12, 2015). "Medical Marijuana's Public Health Lessons — Implications for Retail Marijuana in Colorado". New England Journal of Medicine. 372 (11): 991–993. doi:10.1056/nejmp1500043. ISSN0028-4793. PMID25760352.
Ghosh, Tista S.; Van Dyke, Michael; Maffey, Ali; Whitley, Elizabeth; Erpelding, Dana; Wolk, Larry (March 12, 2015). "Medical Marijuana's Public Health Lessons — Implications for Retail Marijuana in Colorado". New England Journal of Medicine. 372 (11): 991–993. doi:10.1056/nejmp1500043. ISSN0028-4793. PMID25760352.