About: http://webisa.webdatacommons.org/377560786

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	Follow-up questionnaires were periodically mailed to participants, with those in 2003 and 2007 containing items relevant to skin cancer, including skin type and sun exposure.
http://www.w3.org/ns/prov#wasQuotedFrom	pubmedcentralcanada.ca