About: http://webisa.webdatacommons.org/455873382

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, in the absence of depressive episodes, it is difficult to meaningfully assess, over a lifetime, the occurrence of many of these symptoms such as problems with sleep or weight.
http://www.w3.org/ns/prov#wasQuotedFrom	jamanetwork.com