About: http://webisa.webdatacommons.org/187590700

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, not all studies have found melatonin to be superior to a placebo for such jet lag symptoms as fatigue, daytime sleepiness and impaired alertness.
http://www.w3.org/ns/prov#wasQuotedFrom	eurovital.com