<http://schema.org/about>
"An antibiotic commonly prescribed for bronchitis and sinus infections may increase the risk of death from heart problems."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/health/fitness-well-being/stories/antibiotics-pose-extra-risk-for-those-with-heart-problems-says-fda>