About: http://webisa.webdatacommons.org/166353194

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	The necessity of this distinction results from the short half-life of melatonin in the circulation, which is, depending on time of administration and other factors, in the range of 20???45???min [35, 213].
http://www.w3.org/ns/prov#wasQuotedFrom	hindawi.com