title: [Physiology of extradural analgesia].
mesh_terms: D000767:Anesthesia, Epidural; D002320:Cardiovascular Physiological Phenomena; D002490:Central Nervous System / Q000502:physiology*; D004068:Digestive System Physiological Phenomena; D004702:Endocrine Glands / Q000502:physiology*; D005260:Female; D006801:Humans; D011247:Pregnancy; D012143:Respiratory Physiological Phenomena
vernacular_title: Fisiología de la analgesia extradural