About: http://webisa.webdatacommons.org/277911316

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Very good, But does William B. Grant, Ph.D know that both forms of Vit D are steroids?
http://www.w3.org/ns/prov#wasQuotedFrom	phys.org