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. The biology of death; being a series of lectures delivered at the Lowell Institute in Boston in December 1920. Death (Biology); Death. 236 BIOLOGY OF DEATH from these two causes declined, during the period cov- ered, in both the A and the B groups of countries and at not far from the same rate. There is no such large difference as would be expected if organized human inter- ference with the natural history of disease always played 100 10 i TYPHOID \. 1898 99 1900 01 0^ 03 04 05 O6 O7 08 09 10 II 12. YLAR FIG. 55.—Course of the weighted average death rate, for the countries in the A (solid li
. The biology of death; being a series of lectures delivered at the Lowell Institute in Boston in December 1920. Death (Biology); Death. 236 BIOLOGY OF DEATH from these two causes declined, during the period cov- ered, in both the A and the B groups of countries and at not far from the same rate. There is no such large difference as would be expected if organized human inter- ference with the natural history of disease always played 100 10 i TYPHOID \. 1898 99 1900 01 0^ 03 04 05 O6 O7 08 09 10 II 12. YLAR FIG. 55.—Course of the weighted average death rate, for the countries in the A (solid line) and B (broken line) groups, from typhoid fever. the role of immediate and large importance which the propagandist asserts that it does. To guard against the possibility of any misunder- standing, let me say quite specifically and categorically, that the above is not intended in any way to convey the idea that public health work is not desirable, or that a. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Pearl, Raymond, 1879-1940. Philadelphia, London, J. B. Lippincott Company
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