About: http://webisa.webdatacommons.org/92684470

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	to walter willett, chair of the department of nutrition, at a workshop on milk, hormones, and human health at the harvard club of boston: We know that calcium is an essential nutrient, and we have to get it someplace.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com