London's Pulse: Medical Officer of Health reports 1848-1972
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Hints from the Health Department. Leaflet from the archive of the Society of Medical Officers of Health. Credit: Wellcome Collection, London
London County Council 1933
[Report of the Medical Officer of Health for London County Council]
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52
Two examples of pedigree, fig. 4, from group C, which is the largest one, are given below.
In the first the grandparents A are apparently normal. The eldest son M is thought to have
been in a mental hospital and is known to have been unstable mentally. The defective R married
a man apparently normal, and had 4 children, of whom one is dead and one is a baby not considered
backward, while the two older children are rather above average intelligence (intelligence
quotients 104 and 110).