McHugh, R Kathryn and Sugarman, Dawn E and Meyer, Laurel and Fitzmaurice, Garrett M and Greenfield, Shelly F (2020) The relationship between perceived stress and depression in substance use disorder treatment. Drug and Alcohol Dependence, 207, 107819. https://pubmed.ncbi.nlm.nih.gov/31918232/.

Sugarman, Dawn E and Campbell, Aimee N C and Iles, Brittany R and Greenfield, Shelly F (2017) Technology-based interventions for substance use and comorbid disorders: an examination of the emerging literature. Harvard Review of Psychiatry, 25, (3), pp. 123-134. doi: 10.1097/HRP.0000000000000148..