title: The relevance of zinc determination in amniotic fluid. 1st communication: development of the technique and comparative determination of zinc and protein.
mesh_terms: D000653:Amniotic Fluid / Q000032:analysis*; D005260:Female; D005865:Gestational Age; D006801:Humans; D008297:Male; D008423:Maternal Age; D011247:Pregnancy; D011506:Proteins / Q000032:analysis; D012016:Reference Values; D012737:Sex Factors; D013054:Spectrophotometry, Atomic / Q000379:methods; D015032:Zinc / Q000032:analysis*
chemical_list: D011506:Proteins; D015032:Zinc