Jeanette:

    my favorite article re fentanyl is:

                 Maternal & umbilical cord concentration of fentanyl  after
epidural analgesia for cesarean section....eur j. obstet gynecol reprod biol
42:89-94 1991 Desprats R, Dumas J-C Girous M Campisstron F et al....

     pay careful attention to the time from administration of fentanyl to
delivery...

                    patricia