Short-Term Mortality Rates during a Decade of Improved Air Quality in Erfurt, Germany
Susanne Breitner, Matthias Stölzel, Josef Cyrys, Mike Pitz, Gabriele Wölke, Wolfgang Kreyling, Helmut Küchenhoff, Joachim Heinrich, H.-Erich Wichmann, and Annette Peters
Environ Health Perspect. 2009 March; 117(3): 448–454. Published online 2008 October 7. doi: 10.1289/ehp.11711.PMCID: PMC2661916