Nakafero, Georgina, Grainge, Matthew J, Williams, Hywel C, Card, Tim, Taal, Maarten W, Aithal, Guruprasad P, Fox, Christopher P, Mallen, Christian D, van der Windt, Danielle A, Stevenson, Matthew D, Riley, Richard D, Abhishek, Abhishek, "Risk stratified monitoring for methotrexate toxicity in immune mediated inflammatory diseases: prognostic model development and validation using primary care data from the UK", , 2023