WVU Opioids (IMAGE) West Virginia University Caption A new study from WVU global supply chain expert Ednilson Bernardes finds manufacturers and suppliers of opioids, particularly national corporations, influenced how pharmacies bought and distributed those prescriptions. Bernardes and a colleague tested a model using a dataset combining geographic, market and public health data. Credit WVU Photo Usage Restrictions None License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.