The article searches for quantitative evidence in favor of an extended version of Goodwin´s predator-prey model of endogenous distribution-employment cycles for 16 countries. The model is extended to include several harmonics in both series. The model fits all the observations both within...

Introduction: An estimated 1,399 new cases of pancreatic cancer (PC) and 1,406 deaths from the same cause occurred in Colombia in 2002. We evaluate the cost-effectiveness of multidetector computed tomography (CT), endoscopic ultrasonography (EUS) and positron emission tomography with computed...