title: When is "interaction" really interaction?
mesh_terms: D000015:Abnormalities, Multiple / Q000209:etiology*; D005260:Female; D005334:Fever; D006330:Heart Defects, Congenital / Q000209:etiology; D006801:Humans; D011247:Pregnancy; D011248:Pregnancy Complications; D014815:Vitamins
chemical_list: D014815:Vitamins