About: http://webisa.webdatacommons.org/87477244

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	Males post vasectomy 2 years with no known pregnancies for at least 2 years do not need to use any other forms of birth control during the study.
http://www.w3.org/ns/prov#wasQuotedFrom	clinicaltrials.gov