Hints from the Health Department. Leaflet from the archive of the Society of Medical Officers of Health. Credit: Wellcome Collection, London
[Report of the Medical Officer of Health for London County Council]
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DIPHTHERIA.
INCLUDING MEMBRANOUS CROUP
1892-1905.
diagram 10.
Mean Notifictions.
1892-1905-912 per month.
Mean Notifications.
1892-1905-912 per month.