International Journal of Epidemiology 2003;32:1071
© International Epidemiological Association 2003
Theory and Methods |
Commentary: Comparison of time series and case-crossover analyses of air pollution and hospital admission data
London School of Hygiene and Tropical Medicine, Department of Epidemiology and Population Health, Keppel Street, London WC1E 7HT, UK. E-mail: shakoor.hajat@lshtm.ac.uk
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Theres so much pollution in the air now that if it werent for our lungs thered be no place to put it all, thus reads a famous Robert Orben quote. Indeed, even though ambient pollution levels experienced now in Western nations are much reduced