About: http://webisa.webdatacommons.org/286321770

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	Because vitamin D deficiency is often found in ME/CFS, additional vitamin D may be necessary to achieve an optimal level, which may reduce the risk of osteoporosis, cancer, heart disease, stroke, and other illnesses.
http://www.w3.org/ns/prov#wasQuotedFrom	guideline.gov