About: http://webisa.webdatacommons.org/248198813

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	It can occur for up to 12 hours after ingesting offending food such as shellfish, celery and wheat.
http://www.w3.org/ns/prov#wasQuotedFrom	allergy-clinic.co.uk