Article Text
Letter
Geographic density of landfill sites and risk of congenital anomalies in England: authors’ response
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In her commentary (see page 71), Vrijheid1 raises a number of issues concerning our study (see page 81)of congenital anomalies and landfill sites.2
Firstly, Vrijheid questions the use of the landfill density measure to estimate exposure to landfill emissions. The study was designed to investigate variation in risk of congenital anomalies among areas with differing geographic densities of landfill sites, …