_:nf9a5eb4b6125400fbb523621c2b6a20fxb3
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<http://schema.org/Person>
<https://signaturemd.com/concierge-physicians/fred-markham-md-prescott-az/blog/the-power-of-vitamin-c/>