Walton, M. A., Epstein-Ngo, Q., Carter, P. M., Zimmerman, M. A., Blow, F. C., Buu, A., . . . Cunningham, R. M. (2017). Marijuana use trajectories among drug-using youth presenting to an urban emergency department: Violence and social influences. Drug Alcohol Depend.

Walton, Maureen A., Quyen Epstein-Ngo, Patrick M. Carter, Marc A. Zimmerman, Frederic C. Blow, Anne Buu, Jason Goldstick, and Rebecca M. Cunningham. "Marijuana Use Trajectories Among Drug-using Youth Presenting to an Urban Emergency Department: Violence and Social Influences." Drug Alcohol Depend 2017.

Walton, Maureen A., et al. "Marijuana Use Trajectories Among Drug-using Youth Presenting to an Urban Emergency Department: Violence and Social Influences." Drug Alcohol Depend 2017.