The aim of the study was to compare efficacy and side effects produced by two techniques of epidural analgesia during labor: intermittent bolus and patient-controlled epidural analgesia.
Dipartimento di Anestesia e Rianimazione Terapia Intensiva e Antalgica, U.O. Anestesia e Rianimazione Baroncini, Policlinico S. Orsola Malpighi, Bologna, Italy.