Blaser, L.S., Hassna, H., Hofmann, S., Holbro, A., Haschke, M., E. Rätz Bravo, A., Zeller, A., Krähenbühl, S. and B. Taegtmeyer, A. 2017. Leucopenia associated with metamizole: a case-control study. Swiss Medical Weekly. 147, 2122 (May 2017), w14438. DOI:https://doi.org/10.4414/smw.2017.14438.