<http://schema.org/alternativeHeadline>
"New study looks at mothers-to-be and the factors that put them most at risk for bisphenol A exposure."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/family/family-activities/blogs/which-pregnant-moms-have-the-most-bpa-risk-factors>