About: http://webisa.webdatacommons.org/216008251

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 scientists used natural porcupine quills and replica-molded synthetic polyurethane quills to understand the physical forces at play when the quills penetrate and are removed from a variety of tissues, including muscle and skin.
http://www.w3.org/ns/prov#wasQuotedFrom	brighamandwomens.org