title: [Dosage reduction of bupivacaine in epidural anesthesia for obstetrics by two-catheter technic].
mesh_terms: D000328:Adult; D000767:Anesthesia, Epidural / Q000379:methods*; D000773:Anesthesia, Obstetrical / Q000379:methods*; D000818:Animals; D002045:Bupivacaine / Q000008:administration & dosage / Q000097:blood*; D002404:Catheterization; D005260:Female; D005312:Fetal Blood / Q000032:analysis; D005323:Fetal Monitoring; D006801:Humans; D007743:Labor, Obstetric; D011247:Pregnancy
chemical_list: D002045:Bupivacaine