About: http://webisa.webdatacommons.org/423565062

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 diaphragm and cervical cap involve the intervention of a physician and are expensive and in the case of the cervical cap may produce discomfort, infection and other problems.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com