<http://webisa.webdatacommons.org/152018611> <http://www.w3.org/ns/prov#wasQuotedFrom> <ourhealth.com> . <http://webisa.webdatacommons.org/prov/335251525> <http://www.w3.org/ns/prov#wasDerivedFrom> <http://webisa.webdatacommons.org/152018611> . <http://webisa.webdatacommons.org/152018611> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/ns/prov#Entity> . <http://webisa.webdatacommons.org/152018611> <http://www.w3.org/ns/prov#value> "It always moves then to the center of my chest and feels like something is sitting on my chest or crushing my chest." .