About: http://webisa.webdatacommons.org/434416665

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	Some details were more difficult to ascertain in this study, including reasons for spontaneous abortion, impact of vaccination during lactation and other factors that the demographic survey questions had not collected.
http://www.w3.org/ns/prov#wasQuotedFrom	who.int