About: http://webisa.webdatacommons.org/33924419

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	Symptoms may be seasonal i.e. appear when the person is exposed to pollen in spring and summer months, or perennial, i.e., caused by substances that the patient is exposed to all year around like dust mites and cockroach debris.
http://www.w3.org/ns/prov#wasQuotedFrom	medindia.net