About: http://webisa.webdatacommons.org/231233059

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	We used the key words ???gestational diabetes??? in combination with ???metformin??? and searched the databases including Pubmed, the Cochrane Library, Web of knowledge, and Clinical Trial Registries.
http://www.w3.org/ns/prov#wasQuotedFrom	pubmedcentralcanada.ca