Abhishek, A., Boyton, R. J., Peckham, N., McKnight, Á., Coates, L. C., Bluett, J., …Cook, J. A. (2022). Effect of a 2-week interruption in methotrexate treatment versus continued treatment on COVID-19 booster vaccine immunity in adults with inflammatory conditions (VROOM study): a randomised, open label, superiority trial. Lancet Respiratory Medicine, 10(9), 840-850. https://doi.org/10.1016/S2213-2600%2822%2900186-2