About: http://webisa.webdatacommons.org/4124344

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	OverviewAcanthosis nigricans usually appears slowly and does n't cause any symptoms other than skin changes.Eventually , dark , velvety skin with very visible markings and creases appears in the armpits , groin , and neck .
http://www.w3.org/ns/prov#wasQuotedFrom	uiuc.edu