Data Collection

Lewer, D, Padmanathan, P, Arfeen, MNU, Denaxas, S, Forbes, H, Gonzalez-Izquierdo, A and Hickman, M (2021). Healthcare use by people who use illicit opioids (HUPIO): development of a cohort based on electronic primary care records in England (extended data). [Data Collection]. University College London, London, United Kingdom. https://doi.org/10.5522/04/13253906.v5