1. Hirose M, Hara Y, Hosokawa T, Tanaka-Hirose M (1996) The effect of postoperative analgesia with continuous epidural bupivacaine after cesarean section on the amount of breast feeding and infant weight gain. Anesth Analg 82:1166–1169
2. Cohen SE, Woods WA (1983) The role of epidural morphine in the postcesarean patient: efficacy and effects on bonding. Anesthesiology 58: 500–504
3. Franks AL, Atrash HK, Lawson HW, Colberg KS (1990) Obstetrical pulmonary embolism mortality, United States 1970–1985. Am J Public Health 80:720–722
4. Chestnut D (1999) Obstetric anesthesia, principles and practice, 2nd. Edition, Mosby Inc
5. Schneck H, v Hundeishausen B, Wagner R, Scheller M, Kochs E (1999) Prophylaxe des geburtshilflichen Säureaspirationssyndroms in der Bundesrepublik Deutschland 1997. AINS 34:204–213