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PMID 14089568 14089568 DOI 10.1016/0009-8981(63)90019-6 10.1016/0009-8981(63)90019-6
Keywords
Blood Chemical Analysis, Chromatography, Female, Humans, Plasma, Pregnancy, Progesterone, Umbilical Cord, Progesterone, BLOOD CHEMICAL ANALYSIS, CHROMATOGRAPHY, PREGNANCY, PROGESTERONE, UMBILICAL CORD