About: http://webisa.webdatacommons.org/357675882

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	However, some conditions, such as rickets, were also improved through the use of cod-liver oil and similar supplements.
http://www.w3.org/ns/prov#wasQuotedFrom	fao.org