Raccah D, Guerci B, Ajmera M, Davis K, Meyers J, Lew E, Shaunik A, Blonde L. Clinical implications of prolonged hyperglycaemia before basal insulin initiation in type 2 diabetes patients: an electronic medical record database analysis. Endocrinol Diabetes Metab. 2019 Mar 28;2(3):e00061. doi: 10.1002/edm2.61
Layton JB, Hansen MK, Jakobsen CJ, Kshirsagar AV, Andreasen JJ, Hjortdal VE, Rasmussen BS, Simpson RJ, Brookhart MA, Christiansen CF. Statin initiation and acute kidney injury following elective cardiovascular surgery: a population cohort study in Denmark. Eur J Cardiothorac Surg. 2016 Mar;49(3):995-1000. doi: 10.1093/ejcts/ezv246
Groenwold R, Uddin M, Roes K, de Boer A, Rivero-Ferrer E, Martin E, Gatto N, Klungel O. Instrumental variable analysis in randomized trials with non-compliance and observational pharmacoepidemiologic studies. OA Epidemiology. 2014 May 9;2(1):9.