About: http://webisa.webdatacommons.org/434385223

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	However, maternal smoking was a significant risk factor in a subgroup of children with asthmatic symptoms but negative skin prick test.
http://www.w3.org/ns/prov#wasQuotedFrom	pubmedcentralcanada.ca