Comparison of pentazocine and pethidine in normal labor.
D001808:Blood Vessels / Q000187:drug effects; D005260:Female; D005333:Fetus / Q000187:drug effects; D006801:Humans; D007231:Infant, Newborn; D007743:Labor, Obstetric / Q000187:drug effects*; D008614:Meperidine / Q000097:blood / Q000494:pharmacology*; D010423:Pentazocine / Q000097:blood / Q000494:pharmacology*; D011247:Pregnancy; D012119:Respiration / Q000187:drug effects
D008614:Meperidine; D010423:Pentazocine