FIELD: medicine.;SUBSTANCE: five-percent placental tissue extract is analysed for the concentration of arginine and histidine to be related, and if the relation is lower than 0.86, development of cerebral affection in a newborn is predicted.;EFFECT: more precise and specific prediction of perinatal CNS affection in the newborn and enabled well-timed pathogenetic therapy.;3 dwg, 1 tbl
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