About: http://webisa.webdatacommons.org/280933630

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	The 3 supplement groups were: vitamin A alone, vitamin A plus zinc, and multiple vitamins and minerals, including vitamin A and zinc.
http://www.w3.org/ns/prov#wasQuotedFrom	pubmedcentralcanada.ca