About: http://webisa.webdatacommons.org/279773891

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	elements including lead (Pb), arsenic (As), selenium (Se), stannum (Sn) and antimony
http://www.w3.org/ns/prov#wasQuotedFrom	particleandfibretoxicology.com