[External fetal electrocardiography. Importance of preparation of the mother's skin and other sources of errors].
D000328:Adult; D004562:Electrocardiography / Q000379:methods*; D004566:Electrodes; D005260:Female; D005318:Fetal Heart / Q000502:physiology*; D006801:Humans; D011247:Pregnancy; D012867:Skin
Electrocardiographie foetale externe. Importance de la préparation de la peau maternelle, et autres sources d'erreurs