| http://www.w3.org/ns/prov#value | - Here is one example of the dangers I read about, although this is about kids' beds:http://naturepedic.com/research/fiveproblems.php# Polyurethane foam, the predominant filling material used in crib mattresses, typically contains various problematic ingredients including chemical catalysts, surfactants, emulsifiers, pigments, and other chemical additives.
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