Shift in hospital opioid use during the COVID-19 pandemic in Brazil: a time-series analysis of one million prescriptions

Reversal of increases in methadone distribution for opioid use disorder in the US during the COVID-19 pandemic

Is Europe facing an opioid crisis like the United States? An analysis of opioid use and related adverse effects in 19 European countries between 2010 and 2018, European Psychiatry

Global resilience and new strategies needed for antimicrobial stewardship during the COVID‐19 pandemic and beyond - Goff - 2022 - JACCP: JOURNAL OF THE AMERICAN COLLEGE OF CLINICAL PHARMACY - Wiley Online Library

Interrupted time series analysis of drug overdose fatalities in service-related industries versus non-service-related industries during the COVID-19 pandemic, 2018–2021

Opioid deaths in America reached new highs in the pandemic

Global consumption of prescription opioid analgesics between 2009-2019: a country-level observational study - eClinicalMedicine

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Top 20 Pharmaceutical Companies by Revenue 2021

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The Opioid Crisis in the Pandemic Era

A global survey on changes in the supply, price and use of illicit drugs and alcohol, and related complications during the 2020 COVID-19 pandemic