TY - JOUR T1 - A primary care database study of asthma among patients with and without opioid use disorders JO - npj Primary Care Respiratory Medicine UR - https://eprints.whiterose.ac.uk/160351/ PY - 2020/12/01 AU - Oliver P AU - Hulin J AU - Mitchell C ED - DO - DOI: 10.1038/s41533-020-0174-2 PB - Springer Science and Business Media VL - 30 IS - 1 Y2 - 2025/04/14 ER -