Metamizole-Associated Adverse Events: A Systematic Review and Meta-Analysis Kötter, Thomas ; da Costa, Bruno R. ; Fässler, Margrit ; Blozik, Eva ; Linde, Klaus ; Jüni, Peter ; Reichenbach, Stephan ; Scherer, Martin Abstract Publication: PLoS ONE Pub Date: April 2015 DOI: 10.1371/journal.pone.0122918 Bibcode: 2015PLoSO..1022918K