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Fig. 1 | Substance Abuse Treatment, Prevention, and Policy

Fig. 1

From: The impact of the novel coronavirus disease (COVID-19) pandemic on drug overdose-related deaths in the United States and Canada: a systematic review of observational studies and analysis of public health surveillance data

Fig. 1

Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) Flow Diagram of Study Selection. The electronic database searches yielded 413 unique records. Based on title and abstract screening, 398 records were excluded and 15 records underwent full-text assessments. The additional searches yielded another six studies. After the application of the selection criteria, nine studies were included in the systematic review

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Substance Abuse Treatment, Prevention, and Policy

ISSN: 1747-597X