@misc{7904, author = {J. Houwen and A. Egberts and A. de Boer and E. van Maarseveen and R. Houwen and A. Lalmohamed}, title = {Influence of allopurinol on thiopurine associated toxicity: A retrospective population-based cohort study}, year = {2020}, journal = {Br J Clin Pharmacol}, issn = {0306-5251}, doi = {10.1111/bcp.14625}, }