About: http://webisa.webdatacommons.org/208416619

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	When symptoms appear, they are often mild and nonspecific, such as muscle weakness, fatigue, increased need for sleep, feelings of depression, or aches and pains in bones and joints.
http://www.w3.org/ns/prov#wasQuotedFrom	nih.gov