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Percent maternal mortality in the Dublin Maternity Hospital (1784–1849) and in the Allgemeines Krankenhaus (AKH) (Vienna) (1784–1848). A, January 1823, Appointment of Professor Johann Klein as Professor of Obstetrics in charge of the AKH. B, January 1833, Obstetric services at the AKH split into Clinics 1 and 2. 95% confidence band, smoothing parameter=0·35.
