About: http://webisa.webdatacommons.org/271778407

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	During this time, Americans bought whatever types of drugs they wanted over the counter or through mail order catalogs.
http://www.w3.org/ns/prov#wasQuotedFrom	nih.gov