About: http://webisa.webdatacommons.org/331390545

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	Pulmonary surfactant is essential for respiration and lung host defence and is composed of 80-90% lipids, mainly dipalmitoylphosphatidylcholine (DPPC).
http://www.w3.org/ns/prov#wasQuotedFrom	harvard.edu