[Fetal electrocardiography for demonstrating twin pregnancy].
D003951:Diagnostic Errors; D004562:Electrocardiography; D005260:Female; D005318:Fetal Heart; D005865:Gestational Age; D006801:Humans; D011247:Pregnancy; D011272:Pregnancy, Multiple; D014427:Twins
Fosterelektrokardiografi til påvisning af tvillingsvangerskab.