title: Prophylactic ephedrine preceding spinal analgesia for cesarean section.
mesh_terms: D000773:Anesthesia, Obstetrical; D000775:Anesthesia, Spinal; D001034:Apgar Score; D001784:Blood Gas Analysis; D001794:Blood Pressure / Q000187:drug effects; D002585:Cesarean Section; D002986:Clinical Trials as Topic; D004809:Ephedrine / Q000008:administration & dosage; D005260:Female; D006801:Humans; D007022:Hypotension / Q000517:prevention & control; D007231:Infant, Newborn; D011229:Preanesthetic Medication; D011247:Pregnancy
chemical_list: D004809:Ephedrine