Epidemiology · 2013 · 56 citations · 28 references
Short-term increases in ambient air pollutant concentrations immediately before delivery may trigger stillbirth.
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Referent Selection in Case-Crossover Analyses of Acute Health Effects of Air Pollution
Drew Levy, Thomas Lumley, Lianne Sheppard et al. · Epidemiology · 2001 · 488 citations