<http://schema.org/url>
<http://blogs.wsj.com/health/2011/04/28/a-m-vitals-genentechs-avastin-and-lucentis-may-work-similarly-in-eyes/>
<http://blogs.wsj.com/health/2011/04/28/a-m-vitals-genentechs-avastin-and-lucentis-may-work-similarly-in-eyes/>