Lumbar epidural analgesia as an obstetric analgesic method.
D000136:Acid-Base Equilibrium; D000773:Anesthesia, Obstetrical; D000775:Anesthesia, Spinal; D000779:Anesthetics, Local; D000813:Anilides / Q000097:blood*; D002245:Carbon Dioxide / Q000097:blood; D005260:Female; D005333:Fetus; D006801:Humans; D006863:Hydrogen-Ion Concentration; D007743:Labor, Obstetric / Q000187:drug effects; D008161:Lumbosacral Region; D008431:Maternal-Fetal Exchange; D008614:Meperidine; D010875:Pipecolic Acids / Q000097:blood*; D011247:Pregnancy; D011312:Pressure
D000779:Anesthetics, Local; D000813:Anilides; D010875:Pipecolic Acids; D002245:Carbon Dioxide; D008614:Meperidine