title: [The trace elements copper and zinc in pregnancy].
authors.forename: X H
authors.initials: XH
authors.lastname: Liu
authors.forename: G Y
authors.initials: GY
authors.lastname: Zhang
authors.forename: B L
authors.initials: BL
authors.lastname: Wu
mesh_terms: D003300:Copper / Q000378:metabolism*; D005260:Female; D006801:Humans; D011247:Pregnancy / Q000378:metabolism*; D015032:Zinc / Q000378:metabolism*
chemical_list: D003300:Copper; D015032:Zinc