Parenteral Win 20,228 as analgesic in labor.
D000698:Analgesia; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D007743:Labor, Obstetric / Q000187:drug effects*; D010423:Pentazocine / Q000494:pharmacology*; D011247:Pregnancy
D010423:Pentazocine