id: 50103121 dt: j an: 50103121 au: Musal, Rasim Muzaffer ti: Two models to investigate medicare fraud within unsupervised databases so: Expert Syst. Appl. 37, No. 12, 8628-8633 (2010). py: 2010 pu: la: EN cc: ut: ci: li: doi:10.1016/j.eswa.2010.06.095