Associations between PM2.5 and Heart Rate Variability Are Modified by Particle Composition and Beta-Blocker Use in Patients with Coronary Heart Disease
Jeroen J. de Hartog, Timo Lanki, Kirsi L. Timonen, Gerard Hoek, Nicole A.H. Janssen, Angela Ibald-Mulli, Annette Peters, Joachim Heinrich, Tuula H. Tarkiainen, Rene van Grieken, Joop H. van Wijnen, Bert Brunekreef, and Juha Pekkanen
Environ Health Perspect. 2009 January; 117(1): 105–111. Published online 2008 August 25. doi: 10.1289/ehp.11062.PMCID: PMC2627852