About: http://webisa.webdatacommons.org/139359569

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	Productive cough is a symptom in which a person feels there is mucus coming up from his chest when he coughs.
http://www.w3.org/ns/prov#wasQuotedFrom	healthtap.com