About: http://webisa.webdatacommons.org/248705800

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	Biennial questionnaires were used to determine age at menarche, age at first birth, parity, breastfeeding and other reproductive factors.
http://www.w3.org/ns/prov#wasQuotedFrom	pubmedcentralcanada.ca