[Anelgesic evaluation of pentazocine during labor].
D005260:Female; D005333:Fetus / Q000187:drug effects; D006801:Humans; D007743:Labor, Obstetric / Q000187:drug effects*; D010423:Pentazocine / Q000009:adverse effects / Q000627:therapeutic use*; D011247:Pregnancy
D010423:Pentazocine
Valoración analgésica de la pentazocina en el trabajo de parto.