About: http://webisa.webdatacommons.org/208231433

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	These changes were mostly confined to comparisons between the nonoxynol-9 gel and other study arms.
http://www.w3.org/ns/prov#wasQuotedFrom	plos.org