<http://schema.org/mainEntityOfPage>
<http://www.netdoctor.co.uk/ask-the-expert/liver-kidney-and-urinary-system/a11861/worried-about-prostate-problems/True>
<http://www.netdoctor.co.uk/ask-the-expert/liver-kidney-and-urinary-system/a11861/worried-about-prostate-problems/>