Fetal biparietal diameter and maternal plasma concentrations of placental lactogen, chorionic gonadotrophin, oestriol, and alpha-fetoprotein in normal and pathological pregnancies
- PMID: 6153901
- DOI: 10.1111/j.1471-0528.1980.tb04421.x
Fetal biparietal diameter and maternal plasma concentrations of placental lactogen, chorionic gonadotrophin, oestriol, and alpha-fetoprotein in normal and pathological pregnancies
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