Painful labour: modern methods of management.
D000773:Anesthesia, Obstetrical; D000775:Anesthesia, Spinal; D000813:Anilides / Q000008:administration & dosage; D002404:Catheterization; D005113:Extraction, Obstetrical; D005260:Female; D006801:Humans; D007743:Labor, Obstetric; D010875:Pipecolic Acids / Q000008:administration & dosage; D011247:Pregnancy
D000813:Anilides; D010875:Pipecolic Acids