About: http://webisa.webdatacommons.org/136261414

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	Pellagra is a nutritional disease that develops due to insufficient dietary amounts of vitamin B3 or the chemical it is made from, tryptophan.
http://www.w3.org/ns/prov#wasQuotedFrom	downtoearthhealthshop.com