Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Atul A. Gawande and Eric J. Thomas and Michael J. Zinner and Troyen A. Brennan,The incidence and nature of surgical adverse events in Colorado and Utah in 1992,Surgery,0039-6060,Elsevier BV,1999-07,126,1,66-75,https://cir.nii.ac.jp/crid/1360564064137223680,https://doi.org/10.1067/msy.1999.98664