Bártfai, G Comparison of cardiotocograms prepared by abdominal electrocardiography and by ultrasound cardiography. [electronic resource] - Acta medica Hungarica 1983 - 7-15 p. digital Publication Type: Journal Article ISSN: 0236-5286 Subjects--Topical Terms: Echocardiography--methodsElectrocardiography--methodsFemaleFetal Growth Retardation--diagnosisFetal Monitoring--methodsGestational AgeHeart RateHumansObstetric Labor Complications--diagnosisPhonocardiography--methodsPolyhydramnios--diagnosisPre-Eclampsia--diagnosisPregnancy