About: http://webisa.webdatacommons.org/8932015

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	Primary dysmenorrhea is used to describe painful cramping with no recognized cause while secondary dysmenorrhea is usually due to cramping by a physical problem other than menstruation.
http://www.w3.org/ns/prov#wasQuotedFrom	coloradowomenshealth.com