References
- Semmelweis IP. Die Aetiologie, der Begriff, und die Prophylaxis des Kindbettfiebers. Hartleben, Pest 1861, (reprint and translation: New York: Johnson, 1966)
- Speert H. Obstetric and Gynecologic Milestones Illustrated. Parthenon Publishing, CarnforthUK 1996; 370–88