<http://webisa.webdatacommons.org/prov/435912964> <http://www.w3.org/ns/prov#wasDerivedFrom> <http://webisa.webdatacommons.org/43212268> . <http://webisa.webdatacommons.org/43212268> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/ns/prov#Entity> . <http://webisa.webdatacommons.org/prov/6782635> <http://www.w3.org/ns/prov#wasDerivedFrom> <http://webisa.webdatacommons.org/43212268> . <http://webisa.webdatacommons.org/43212268> <http://www.w3.org/ns/prov#value> "Other vitamins, such as calcium and iron, are needed throughout pregnancy to help babies grow." . <http://webisa.webdatacommons.org/43212268> <http://www.w3.org/ns/prov#wasQuotedFrom> <sciencedaily.com> .