title: Aluminum, barium, silicon, and strontium in amniotic fluid by emission spectrometry.
mesh_terms: D000653:Amniotic Fluid / Q000032:analysis*; D005260:Female; D006801:Humans; D011247:Pregnancy; D011262:Pregnancy Trimester, Second; D013052:Spectrometry, X-Ray Emission; D014131:Trace Elements / Q000032:analysis*
chemical_list: D014131:Trace Elements