About: http://webisa.webdatacommons.org/170331627

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	The main cause of osteoporosis is a deficiency in important bone-building nutrients such as calcium, vitamin D, magnesium, and other vitamins and minerals.
http://www.w3.org/ns/prov#wasQuotedFrom	scoliosisassociates.com