TY - JOUR T1 - OpenSAFELY: The impact of COVID鈥�19 on azathioprine, leflunomide and methotrexate monitoring, and factors associated with change in monitoring rate JO - British Journal of Clinical Pharmacology UR - https://eprints.whiterose.ac.uk/id/eprint/211397 PY - 2024/04/08 AU - Brown AD AU - Fisher L AU - Curtis HJ AU - Wiedemann M AU - Hulme WJ AU - Speed V AU - Hopcroft LEM AU - Cunningham C AU - Costello RE AU - Galloway JB AU - Russell MD et al ED - DO - DOI: 10.1111/bcp.16062 PB - Wiley Y2 - 2025/05/30 ER -