title: Trace elements in embryonic development.
mesh_terms: D000818:Animals; D000013:Congenital Abnormalities / Q000209:etiology*; D003300:Copper / Q000172:deficiency* / Q000502:physiology; D005314:Embryonic and Fetal Development; D005260:Female; D006801:Humans; D011247:Pregnancy; D014805:Vitamin B 12 / Q000502:physiology; D014806:Vitamin B 12 Deficiency / Q000150:complications*; D015032:Zinc / Q000172:deficiency* / Q000502:physiology
chemical_list: D003300:Copper; D015032:Zinc; D014805:Vitamin B 12