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Antoshechkin, A.G.; Golovkin, A.B.; Maximova, L.A.; Bakharev, V.A., Screening of amniotic fluid metabolites by gas chromatography-mass spectrometry, J. Chromatogr., 1989, 489, 2, 353-358, https://doi.org/10.1016/S0378-4347(00)82913-8 . [all data]