title: AVERAGING TECHNIQUES IN FETAL ELECTROCARDIOGRAPHY.
mesh_terms: D035843:Biomedical Research; D004562:Electrocardiography; D005260:Female; D005318:Fetal Heart; D006801:Humans; D008431:Maternal-Fetal Exchange; D011247:Pregnancy
keywords: CLINICAL RESEARCH; ELECTROCARDIOGRAPHY; FETAL HEART; MATERNAL-FETAL EXCHANGE; PREGNANCY