RISCO FETAL POR ANALGESIA E ANESTESIA PERIDURAL
FETAL RISK DURING PERIDURAL ANALGESIA OR ANESTHESIA FOR LABOUR
MAGDA SOCORRO MERCADA, ERIC UKINS, JORGE RIVAS, RODOLFO BÉRTOLA
Braz J Anesthesiol, vol.24, n1, p.15-29, 1974