About: http://webisa.webdatacommons.org/19654400

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	For example, although penicillin was a known treatment for syphilis in the 1940s, doctors withheld this treatment because they wanted to observe the effects of nontreatment of syphilis in the African American male body.
http://www.w3.org/ns/prov#wasQuotedFrom	lww.com