About: http://webisa.webdatacommons.org/37027129

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	All of the participants received daily supplements containing 50 percent of the recommended dietary allowance of several vitamins and minerals, including zinc, for one year.
http://www.w3.org/ns/prov#wasQuotedFrom	bio-medicine.org