Test doses in extradural analgesia.
D000767:Anesthesia, Epidural / Q000379:methods*; D002404:Catheterization; D004824:Epidural Space; D005260:Female; D005947:Glucose / Q000134:cerebrospinal fluid; D006801:Humans; D008012:Lidocaine / Q000008:administration & dosage*; D011247:Pregnancy
D008012:Lidocaine; D005947:Glucose