About: http://webisa.webdatacommons.org/112797047

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 magnetic field used for MRA will pull on any ferromagnetic metal object in the body, such as a heart pacemaker, intrauterine device, vascular access port, metal plate, or pins, screws or staples.
http://www.w3.org/ns/prov#wasQuotedFrom	fmh.org