About: http://webisa.webdatacommons.org/220568756

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	However, a later attempt to replicate these results found no effects other than fatigue and drowsiness (Stewart RD 1974a).
http://www.w3.org/ns/prov#wasQuotedFrom	cdc.gov