title: [Fetal electrocardiography registered by means of Frank's orthogonal system].
mesh_terms: D005260:Female; D005318:Fetal Heart / Q000502:physiology*; D005865:Gestational Age; D006801:Humans; D011247:Pregnancy; D014672:Vectorcardiography / Q000379:methods*
vernacular_title: Fetální elektrokardiograffie, registrovaná Frankovým ortogonálním systémem.