About: http://webisa.webdatacommons.org/352009999

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	Voice changes If amenorrhea is caused by a pituitary tumor, there may be other symptoms related to the tumor, such as vision loss and headache.
http://www.w3.org/ns/prov#wasQuotedFrom	stthomas.org