<http://schema.org/alternativeHeadline>
"The 3D fetus models could allow blind parents \"see\" sonograms of their babies for the first time."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/family/babies-pregnancy/stories/3d-sonogram-allows-expecting-parents-to-hold-a-model-of-their-fetus>