1. Effects on fetal heart rate and fetal Po2 of oxygen administration to the mother;Althabe;Am. J. Obstet. Gynecol.,1967
2. Continuous paracervical block;Alvarado;Am. J. Obstet. Gynecol.,1967
3. Influence of acid-base changes on isolated human fetal hearts;Andersson;Acta Physiol. Scand.,1970
4. Influence of mepivacaine on isolated human fetal hearts at normal and low pH;Andersson;Acta Physiol. Scand.,1970
5. Paracervical block anesthesia in Obstetrics, II;Asling;Am. J. Obstet. Gynecol.,1970